单选题The gas reserves in the far west and off the eastern and southern coasts of China ______.A have been tapped for more than 50 years.B have an output that is failing.C are just beginning to be tapped.D are not nearly enough to provide for the nation’s fu

题目
单选题
The gas reserves in the far west and off the eastern and southern coasts of China ______.
A

have been tapped for more than 50 years.

B

have an output that is failing.

C

are just beginning to be tapped.

D

are not nearly enough to provide for the nation’s fuel consumption.

相似考题

1.BAsk someone what they have done to help the environment recently and they will almost certainly mention recycling. Recycling in the home is very important of course. However, being forced to recycle often means we already have more material than we need. We are dealing with the results of that over-consumption in the greenest way possible, but it would be far better if we did not need to bring so much material home in the first place.The total amount of packaging increased by 12% between 1999 and 2005. It now makes up a third of a typical household’s waste in the UK. In many supermarkets nowadays food items are packaged twice with plastic and cardboard.Too much packaging is doing serious damage to the environment. The UK, for example, is running out of it for carrying this unnecessary waste. If such packaging is burnt, it gives off greenhouse gases which go on to cause the greenhouse effect. Recycling helps, but the process itself uses energy. The solution is not to produce such items in the first place. Food waste is a serious problem, too. Too many supermarkets encourage customers to buy more than they need. However, a few of them are coming round to the idea that this cannot continue , encouraging customers to reuse their plastic bags, for example.But this is not just about supermarkets. It is about all of us. We have learned to associate packaging with quality. We have learned to think that something unpackaged is of poor quality. This is especially true of food. But is also applies to a wide range of consumer products, which often have far more packaging than necessary.There are signs of hope. As more of us recycle, we are beginning to realise just how much unnecessary material are collecting. We need to face the wastefulness of our consumer culture, but we have a mountain to climb.61. What does the underlined phrase “over-consumption” refer to?A. Using too much packaging.B. Recycling too many wastes.C. Making more products than necessary.D. Having more material than is needed.

2.More students than one ______ there.A. has beenB. have beenC. had beenD. would have been

3.—________________ , but I still have the feeling that it's not safe enough. —I couldn't agree more. That's why I only do street shopping.A Paying online is much unsafe than before ;B Paying online is less safer than before ;C Paying online is much safer than before

4.I have been convinced that the print media are usually more and more reliable than television.A．accurateB．ridiculousC．urgentD．shallow

参考答案和解析
正确答案： C
解析：
录音中指出在“Xinjiang in the far west and off the eastern and southern coasts”，中国刚刚开始“tap some of its largest gas reserves”，其中tap意为“开发，发掘”，因此选C。
【录音原文】
China’s biggest oilfields such as Daqing, have been in production for half a century or more and their output is falling. By contrast, the country is just beginning to tap some of its largest gas reserves in Xinjiang in the far west and off the eastern and southern coasts.
更多“单选题The gas reserves in the far west and off the eastern and southern coasts of China ______.A have been tapped for more than 50 years.B have an output that is failing.C are just beginning to be tapped.D are not nearly enough to provide for the nation’s fu”相关问题

  • 第1题：

    Metaphor is used in ________.

    A、To be allowed, no, invited, into the private lives of strangers, and to share their joys and fears, was a chance to exchange the Southern bitter wormwood for a cup of mead with

    B、eowulf or a hot cup of tea and milk with Oliver Twist.

    B、“It is a far, far better thing that I do, than I have ever done …”

    C、Part of the problem is that women in America are much more brainwashed and content with their roles as second-class citizens than blacks ever were.

    D、I have done the work -- … while man reaped the rewards, which is almost invariably the lot of women in politics.


    参考答案：AC

  • 第2题：

    For years people have been saying that the railways are dead. We all keep hearing that trains are slow, that they lose money, that they’re dying. But this is far from the true. In these days of expensive oil, the railways have become highly competitive with motorcars and planes. If you want to carry people or goods from place to place, they’re cheaper than planes. And they have much in common with planes. A plane goes in a straight line and so does a railway. What is more, a railway takes you from the heart of a city center. It doesn’t hold you up as a car does, in endless traffic jams. And a single train can carry goods which no plane or motorcar could ever do.

    Far from being dead, the railways are very much alive. Modern railway lines give you a smooth, untroubled journey. Where else can you eat well, sleep in comfort, feel safe and enjoy the scene while you are traveling at speed at the same time? And we are only at the beginning. For we have just entered the age of super-fast trains, trains traveling at 150 miles an hour and more. Soon we will be wondering why we spent so much on motorways we can’t use because we have not enough money to buy the oil and planes we can’t fly in for the same reason.

    1. Some people think the railways are dead for many reasons EXCEPT that ____.

    A. planes and motorcars have taken the place of trains

    B. oil is expensive today

    C. trains are slow

    D. railways lose money

    2. The writers idea seems to be that ______.

    A. we can do without railways

    B. trains have much in common with motorcars and planes

    C. motorcars and planes are not as good as trains

    D. trains are as good as motorcars and planes

    3. According to the writer, which of the following is NOT the advantage of railways?

    A. It is cheaper to travel by train than by plane.

    B. Super-fast trains travel even faster than planes.

    C. The railway station is usually at the center of a city.

    D. A train carries more goods than a motorcar or plane does.

    4. The writer thinks that the railways, far from being dead, are very much alive because ___________.

    A. we can have a smooth and untroubled journey

    B. we’ll not have enough money to fly everywhere

    C. we can now travel in super-fast trains

    D. all of the above

    5. The best title for this passage may be ________.

    A. The Best Choice: Train, Motorcar or Plane

    B. The Dying Railways

    C. Super-fast Trains in the Future

    D. Not the End, But the Beginning


    正确答案：1.B2.D3.C4.D5.D

  • 第3题：

    By the end of last year China’s foreign reserves ____ $4 trillion.

    A: have reached

    B: had reached

    C: reached

    D: would reach


    参考答案：B

  • 第4题：

    (50)We are thus led to distinguish, within the broad educational process which we have been so far considering, a more formal kind of education—that of direct tuition or schooling. 此处译文为:


    正确答案：
    【结构分析】
    We are thus led to distinguish, within the broad educational processwhich we have been so far considering, a more formal kind of education—that of direct tuition or schooling.
    这是一个复合句。We are thus led to distinguish a more formal kind of education—that of direct tuition or schooling是主句部分，其中that of direct tuition or schooling由破折号引出做补充说明;within the broad educational process which we have been so far considering是插入语，其中which we have been so far considering是定语从句，修饰先行词the broad educational process。
    【词义推敲】
    tuition 教学，指导
    【翻译润色】
    We are thus led to distinguish a more formal kind of education因此，我们需要区分出一种更正规的教育方式
    —that of direct tuition or schooling即直接的指导或学校教育
    within the broad educational process 在宽泛的教育过程中
    which we have been so far considering我们迄今一直在思考的
    【参考译文】
    因此，在我们迄今一直在思考的宽泛的教育过程中，我们需要区分出一种更正规的教育方式，即直接的指导或学校教育。

  • 第5题：

    New drivers age far more______to have accidents than experienced drivers.

    A．possible

    B．likely

    C．probable

    D．unlikely


    正确答案：B
    解析：句意：驾驶新手发生事故很可能远比有经验的司机多。本题考查句意的辨析。be likely to do sth表示可能做某事；unlikely表示不大可能发生的，不符合题意；possible和probable用于主语是物的句子中。故不符合题意。

  • 第6题：

    A new scheme for getting children to and from school is being started by the education authorities in part of Eastern England． This could end the worries of many parents fearful for their children's safety on the roads．
    Until now the Country Council has only been prepared to provide bus services for children living more than three miles from their school, or sometimes less if special reasons existed． Now it has been decided that if a group of parents ask for help in organizing transport they will be prepared to go ahead, provided the arrangement will not lose money and that children taking part will be attending their nearest school．
    The new scheme is to be tried out this term for children living at Milton who attend Impington school． The children live just within the three-mile limit and the Council has said in the past it will not undertake to provide free transport to the school． But now they have agreed to organize a bus service from Milton to Impington and back, a plan which has the support of the school's headmaster．
    Between 50 and 60 parents have said they would like their children to take part in． Final calculations have still to be carried out, but a council official has said the cost of parents should be less than $6．50 a tenn．
    They have been able to arrange the service at a low cost because there is already an agreement with the bus company for a bus to take children who live further away to Impington． The same bus would now just make an extra journey to pick up the Milton children． The official said they would get in touch with other groups of parents who in the past had asked if transport could be provided for their children, to see if they would like to take part in the new scheme．
    ?Agreement to pay for the new bus service has been obtained from__________．

    A.the school's headmaster
    B.the education department
    C.the bus company
    D.the parents

    答案：D
    解析：
    根据第四段可知，为新巴士计划付费的是家长，故选D。

  • 第7题：

    __________enough time and money, the investigators would have been able to discover more evidence in this case.

    A．Giving
    B．Given
    C．To give
    D．Being given

    答案：B
    解析：
    考查非谓语动词。investigators和give之间是被动关系。故用过去分词形式作条件状语．相当于If(the investigators were)given…。句意为“如果给调查者足够的时间和资金．他们就可以在这个案子中发现更多的证据了”．

  • 第8题：

    共用题干
    Natural Gas

    1 Natural gas is produced from reservoirs deep beneath the earth's surface. It is a fossil fuel（矿物燃
    料）,meaning that it is derived from organic material buried in the earth millions of years ago.The main corn-
    ponent of natural gas is methane（甲烷）.
    2 The popularity and use of clean natural gas have increased dramatically over the past 50 years as
    pipeline infrastructure（基础设施）has been installed to deliver it conveniently and economically to millions
    of residential,commercial and industrial customers worldwide.Today,natural gas service is available in all 50
    states in the U.S.,and is the leading energy choice for fueling American homes and industries.More than 65
    million American homes use natural gas.In fact,natural gas is the most economical source for home energy
    needs,costing one-third as much as electricity. In addition to heating homes,much of the gas used in the United
    States is used as a raw material to manufacture a wide variety of products,from paint,to fibers for clothing,to
    plastics for healthcare,computing and furnishings.Natural gas is also used in a significant number of new
    electricity-generating power plants.
    3 Natural gas is one of the safest and cleanest fuels available. It emits（发出）less pollution than other
    fossil fuels sources. When natural gas is burned,it produces mostly carbon dioxide（二氧化碳）and water va-
    por一the same substances emitted when humans breathe.Compared with some other fossil fuels,natural gas
    emits the least amount of carbon dioxide into the air when combusted（燃烧）一making natural gas the clea--
    nest burning fossil fuel of all.
    4 The United States consumes about one-third of the world's natural gas output,making it the largest
    gas-consuming region in the world.The U.S.Department of Energy Information Administration forecasts that
    natural gas demand will grow by more than 50 percent by 2025.
    5 There are huge reserves of natural gas beneath the earth's surface.The largest reserves of natural
    gas can be found in Russia , West and North Africa and the Middle East. LNG（液化天然气）has been pro-
    duced domestically and imported in the United States for more than four decades.Today,the leading import-
    ers of LNG are Japan,Korea,France and Spain.

    Natural gas is stored deep______________.
    A:over the past 50 years
    B:beneath the earth's surface
    C:by more than 50 percent
    D:for more than four decades
    E:as a raw material
    F:for home energy needs

    答案：B
    解析：
    本段的中心意思是天然气被广泛应用以及天然气的各种用途。
    本段的中心意思是天然气是现有能源中极安全、极干净的一种。
    本段的中心意思是美国消费天然气的情况。
    本段的中心意思是世界上天然气的储存和供应情况。
    根据第一段的第一句话可知答案。
    根据第二段的第四句话可知答案。
    根据第二段的第五句话可知答案。
    根据第四段的最后一句话可知答案。第4部分：阅读理解第一篇 本文介绍了一项研究，该研究显示步行能健脑，经常运动可以使老年人更好地集中精力。

  • 第9题：

    共用题干
    Natural Gas

    1 Natural gas is produced from reservoirs deep beneath the earth's surface. It is a fossil fuel（矿物燃
    料）,meaning that it is derived from orgaiiic material buried in the earth millions of years ago.The main corn-
    ponent of natural gas is methane（甲烷）.
    2 The popularity and use of clean natural gas have increased dramatically over the past 50 years as
    pipeline infrastructure（基础设施）has been installed to deliver it conveniently and economically to millions
    of residential,commercial and industrial customers worldwide.Today,natural gas service is available in all 50
    states in the U.S.,and is the leading energy choice for fueling American homes and industries.More than 65
    million American homes use natural gas.In fact,natural gas is the most economical source for home energy
    needs,costing one-third as much as electricity.In addition to heating homes,much of the gas used in the
    United States is used as a raw material to manufacture a wide variety of products,from paint,to fibers for
    clothing,to plastics for healthcare,computing and furnishings.Natural gas is also used in a significant number
    of new electricity-generating power plants.
    3 Natural gas is one of the safest and cleanest fuels available. It emits（发出）less pollution than other
    fossil fuel sources. When natural gas is burned , it produces mostly carbon dioxide（二氧化碳）and water va-
    por一the same substances emitted when humans breathe.Compared with some other fossil fuels,natural gas
    emits the least amount of carbon dioxide into the air when combusted（燃烧）一making natural gas the clea-
    nest burning fossil fuel of all.
    4 The United States consumes about one一third of the world's natural gas output,making it the largest
    gas-consuming region in the world.The U.S.Department of Energy Information Administration forecasts that
    natural gas demand will grow by more than 50 percent by 2025.
    5 There are huge reserves of natural gas beneath the earth's surface.The largest reserves of natural
    gas can be found in Russia , West and North Africa and the Middle East. LNG（液化天然气）has been pro-
    duced domestically and imported in the United States for more than four decades.Today,the leading import-
    ers of LNG are Japan,Korea,France and Spain.

    When manufacturing many different products,people commonly use natural gas_________.
    A:over the past 50 years
    B: beneath the earth' s surface
    C: by more than 50 percent
    D:for more than four decades
    E:as a raw material
    F:for home energy needs

    答案：E
    解析：
    本段的中心意思是天然气被广泛应用以及天然气的各种用途。
    本段的中心意思是天然气是现有能源中极安全、极干净的一种。
    本段的中心意思是美国消费天然气的情况。
    本段的中心意思是世界上天然气的储存和供应情况。
    根据第一段的第一句话可知答案。
    根据第二段的第四句话可知答案。
    根据第二段的第五句话可知答案。
    根据第四段的最后一句话可知答案。

  • 第10题：

    单选题
    The gas reserves in the far west and off the eastern and southern coasts of China ______.
    A

    have been tapped for more than 50 years.

    B

    have an output that is failing.

    C

    are just beginning to be tapped.

    D

    are not nearly enough to provide for the nation’s fuel consumption.


    正确答案： C
    解析：
    录音中指出在“Xinjiang in the far west and off the eastern and southern coasts”，中国刚刚开始“tap some of its largest gas reserves”，其中tap意为“开发，发掘”，因此选C。
    【录音原文】
    China’s biggest oilfields such as Daqing, have been in production for half a century or more and their output is falling. By contrast, the country is just beginning to tap some of its largest gas reserves in Xinjiang in the far west and off the eastern and southern coasts.

  • 第11题：

    单选题
    According to the passage, people have difficulty getting to sleep because ______.
    A

    they work more than sixty hours a week

    B

    they have too many enemies

    C

    they do not sleep happily

    D

    they are not tired enough


    正确答案： C
    解析：
    文章首段指出据爱丁堡大学的Dr. Ian Oswald称世界上十分之一的人都入睡困难，原因很简单，大多数人睡不着觉是因为自身问题：他们睡得太早了。也就是说身体还不累就睡觉了，故D项符合题意。

  • 第12题：

    单选题
    The video security systems ______.
    A

    play an important role in arresting terrorists before they take action

    B

    have cost the U.S. Department of Homeland Security more than $ 40 million so far

    C

    are mainly deployed near Washington

    D

    work better than they have been expected to


    正确答案： B
    解析：
    录音首句便指出“目前为止，美国国土安全部（the U.S. Department of Homeland Security）已经拨给美国各州超过400万美元以对video security systems（视频安全系统）进行投资”，因此选项B为正确答案。
    【录音原文】
    So far, the U.S. Department of Homeland Security has given American states more than $40 million to invest in video security systems. But in March, the Washington metropolitan police department admitted that the dozens of cameras it has had in place since 9/11 have so far netted zero arrests. What the surveillance cameras can do is help investigators piece together the details of plots after they are attempted, gather forensic evidence and identify suspects—all of which deepens their understanding of how terrorist networks operate.

  • 第13题：

    which of the following statements is not true about maori population?

    A. Maori population makes up nearly one-seventh of New Zealand s total population.

    B. Maori population is younger than the total population.

    C. Non-Maori women tend to have children earlier than Maori women.

    D. Maori women tend to have more children than non-Maori women.


    参考答案：C

  • 第14题：

    I( )at the same job for fifteen years, and one day I just woke up and said, "Enough!"

    A、have been working

    B、have worked

    C、had worked

    D、had been working


    参考答案：D

  • 第15题：

    We have only one vacancy, but so far have received more than 30 () for the job.

    A、applications

    B、applicants

    C、applicators

    D、appliances


    正确答案:A

  • 第16题：

    The project requires more labor than ________.

    [A] has been put in

    [B] have been put in

    [C] being put in

    [D] to be put in


    正确答案：A

  • 第17题：

    A new scheme for getting children to and from school is being started by the education authorities in part of Eastern England． This could end the worries of many parents fearful for their children's safety on the roads．
    Until now the Country Council has only been prepared to provide bus services for children living more than three miles from their school, or sometimes less if special reasons existed． Now it has been decided that if a group of parents ask for help in organizing transport they will be prepared to go ahead, provided the arrangement will not lose money and that children taking part will be attending their nearest school．
    The new scheme is to be tried out this term for children living at Milton who attend Impington school． The children live just within the three-mile limit and the Council has said in the past it will not undertake to provide free transport to the school． But now they have agreed to organize a bus service from Milton to Impington and back, a plan which has the support of the school's headmaster．
    Between 50 and 60 parents have said they would like their children to take part in． Final calculations have still to be carried out, but a council official has said the cost of parents should be less than $6．50 a tenn．
    They have been able to arrange the service at a low cost because there is already an agreement with the bus company for a bus to take children who live further away to Impington． The same bus would now just make an extra journey to pick up the Milton children． The official said they would get in touch with other groups of parents who in the past had asked if transport could be provided for their children, to see if they would like to take part in the new scheme．
    The new bus service will run__________．

    A.on morning journeys to school only
    B.in connection with an existing service
    C.only for children living more than three miles away
    D.only in wet weather

    答案：B
    解析：
    根据第三段“ne children live just within the three—mile limit”和第五段“there is already an agreement with the bus company for a bus to take children who live further away to Impington”结合起来考虑，可以排除A、C，D项没有提及，故选B。

  • 第18题：

    A new scheme for getting children to and from school is being started by the education authorities in part of Eastern England． This could end the worries of many parents fearful for their children's safety on the roads．
    Until now the Country Council has only been prepared to provide bus services for children living more than three miles from their school, or sometimes less if special reasons existed． Now it has been decided that if a group of parents ask for help in organizing transport they will be prepared to go ahead, provided the arrangement will not lose money and that children taking part will be attending their nearest school．
    The new scheme is to be tried out this term for children living at Milton who attend Impington school． The children live just within the three-mile limit and the Council has said in the past it will not undertake to provide free transport to the school． But now they have agreed to organize a bus service from Milton to Impington and back, a plan which has the support of the school's headmaster．
    Between 50 and 60 parents have said they would like their children to take part in． Final calculations have still to be carried out, but a council official has said the cost of parents should be less than $6．50 a tenn．
    They have been able to arrange the service at a low cost because there is already an agreement with the bus company for a bus to take children who live further away to Impington． The same bus would now just make an extra journey to pick up the Milton children． The official said they would get in touch with other groups of parents who in the past had asked if transport could be provided for their children, to see if they would like to take part in the new scheme．
    The children the Council ran buses for in the past were those__________．

    A.whose parents were worried about them
    B.who would have had to walk otherwise
    C.who could not walk
    D.who had to travel a long way

    答案：D
    解析：
    根据第二段第一句可知，到现在为止，乡村政务会只给住在3英里以外的学生提供巴士服务，这表示这些学生离家很远，因此答案选D。

  • 第19题：

    共用题干
    Natural Gas

    1 Natural gas is produced from reservoirs deep beneath the earth's surface. It is a fossil fuel（矿物燃
    料）,meaning that it is derived from organic material buried in the earth millions of years ago.The main corn-
    ponent of natural gas is methane（甲烷）.
    2 The popularity and use of clean natural gas have increased dramatically over the past 50 years as
    pipeline infrastructure（基础设施）has been installed to deliver it conveniently and economically to millions
    of residential,commercial and industrial customers worldwide.Today,natural gas service is available in all 50
    states in the U.S.,and is the leading energy choice for fueling American homes and industries.More than 65
    million American homes use natural gas.In fact,natural gas is the most economical source for home energy
    needs,costing one-third as much as electricity. In addition to heating homes,much of the gas used in the United
    States is used as a raw material to manufacture a wide variety of products,from paint,to fibers for clothing,to
    plastics for healthcare,computing and furnishings.Natural gas is also used in a significant number of new
    electricity-generating power plants.
    3 Natural gas is one of the safest and cleanest fuels available. It emits（发出）less pollution than other
    fossil fuels sources. When natural gas is burned,it produces mostly carbon dioxide（二氧化碳）and water va-
    por一the same substances emitted when humans breathe.Compared with some other fossil fuels,natural gas
    emits the least amount of carbon dioxide into the air when combusted（燃烧）一making natural gas the clea--
    nest burning fossil fuel of all.
    4 The United States consumes about one-third of the world's natural gas output,making it the largest
    gas-consuming region in the world.The U.S.Department of Energy Information Administration forecasts that
    natural gas demand will grow by more than 50 percent by 2025.
    5 There are huge reserves of natural gas beneath the earth's surface.The largest reserves of natural
    gas can be found in Russia , West and North Africa and the Middle East. LNG（液化天然气）has been pro-
    duced domestically and imported in the United States for more than four decades.Today,the leading import-
    ers of LNG are Japan,Korea,France and Spain.

    Paragraph 4 ______________
    A:Popularity and Use of Natural Gas
    B:Natural Gas Reserves and Supply
    C:Natural Gas Prices
    D:Clean Fuel of Choice
    E:Disadvantages of Natural Gas
    F:Natural Gas Consumption

    答案：F
    解析：
    本段的中心意思是天然气被广泛应用以及天然气的各种用途。
    本段的中心意思是天然气是现有能源中极安全、极干净的一种。
    本段的中心意思是美国消费天然气的情况。
    本段的中心意思是世界上天然气的储存和供应情况。
    根据第一段的第一句话可知答案。
    根据第二段的第四句话可知答案。
    根据第二段的第五句话可知答案。
    根据第四段的最后一句话可知答案。第4部分：阅读理解第一篇 本文介绍了一项研究，该研究显示步行能健脑，经常运动可以使老年人更好地集中精力。

  • 第20题：

    共用题干
    Natural Gas

    1 Natural gas is produced from reservoirs deep beneath the earth's surface. It is a fossil fuel（矿物燃
    料）,meaning that it is derived from orgaiiic material buried in the earth millions of years ago.The main corn-
    ponent of natural gas is methane（甲烷）.
    2 The popularity and use of clean natural gas have increased dramatically over the past 50 years as
    pipeline infrastructure（基础设施）has been installed to deliver it conveniently and economically to millions
    of residential,commercial and industrial customers worldwide.Today,natural gas service is available in all 50
    states in the U.S.,and is the leading energy choice for fueling American homes and industries.More than 65
    million American homes use natural gas.In fact,natural gas is the most economical source for home energy
    needs,costing one-third as much as electricity.In addition to heating homes,much of the gas used in the
    United States is used as a raw material to manufacture a wide variety of products,from paint,to fibers for
    clothing,to plastics for healthcare,computing and furnishings.Natural gas is also used in a significant number
    of new electricity-generating power plants.
    3 Natural gas is one of the safest and cleanest fuels available. It emits（发出）less pollution than other
    fossil fuel sources. When natural gas is burned , it produces mostly carbon dioxide（二氧化碳）and water va-
    por一the same substances emitted when humans breathe.Compared with some other fossil fuels,natural gas
    emits the least amount of carbon dioxide into the air when combusted（燃烧）一making natural gas the clea-
    nest burning fossil fuel of all.
    4 The United States consumes about one一third of the world's natural gas output,making it the largest
    gas-consuming region in the world.The U.S.Department of Energy Information Administration forecasts that
    natural gas demand will grow by more than 50 percent by 2025.
    5 There are huge reserves of natural gas beneath the earth's surface.The largest reserves of natural
    gas can be found in Russia , West and North Africa and the Middle East. LNG（液化天然气）has been pro-
    duced domestically and imported in the United States for more than four decades.Today,the leading import-
    ers of LNG are Japan,Korea,France and Spain.

    Paragraph 3__________
    A:Popularity and Use of Natural Gas
    B:Natural Gas Reserves and Supply
    C:Natural Gas Prices
    D:Clean Fuel of Choice
    E:Disadvantages of Natural Gas
    F:Natural Gas Consumption

    答案：D
    解析：
    本段的中心意思是天然气被广泛应用以及天然气的各种用途。
    本段的中心意思是天然气是现有能源中极安全、极干净的一种。
    本段的中心意思是美国消费天然气的情况。
    本段的中心意思是世界上天然气的储存和供应情况。
    根据第一段的第一句话可知答案。
    根据第二段的第四句话可知答案。
    根据第二段的第五句话可知答案。
    根据第四段的最后一句话可知答案。

  • 第21题：

    单选题
    One possible reason why women have better memories than men is that _____.
    A

    they have a wider range of interests

    B

    they are more reliant on the environment

    C

    they have an unusual power of focusing their attention

    D

    they are more interested in what’s happening around them


    正确答案： A
    解析：
    细节题。第三段末说，妇女比男人的记忆力要好一些，原因是妇女对环境给予更多的注意，这与D项“她们对事情发生的环境更感兴趣”属同义转述。

  • 第22题：

    单选题
    We may infer from the fourth paragraph that ______.
    A

    humans have been growing food crops more than ten thousand years.

    B

    humans have learned how to produce biofuels for a long time.

    C

    humans are just on the beginning of making biofuels.

    D

    a cell wall includes four hemicellulose.


    正确答案： C
    解析：
    推断判断题。由题干定位至第四段。由首句Humans have been growing food crops for 10,000 years可知，A中more than与原文不符，故排除；由but the effort to produce fuel down on the farm is in its fancy可见B错；由段中 We’re at such a basic stage，可知，从作物提取燃料还处于初级阶段，C正确；由本段倒数第二句可知cell walls是由four hemicelluloses, along with cellulose and lignin构成，并且由a cell wall engineered to include more hemicellulose可知一个细胞壁不仅仅只有four hemicellulose(半纤维素), 排除D。

  • 第23题：

    单选题
    It’s reported that by the end of this month the output of cement in the factory _____ by about 10%.
    A

    will have risen

    B

    has risen

    C

    will be rising

    D

    has been rising


    正确答案： B
    解析：
    句意：据报道，到这个月底，这个工厂的水泥产量将增加大约10%。句中的时间状语是by the end of this month。“by+未来的时间”应用将来完成时。

  • 第24题：

    单选题
    As a result of the epidemic of AIDS in Africa, _____.
    A

    the life span for most of the people has been reduced by 40 years

    B

    most young people have been infected with human immunodeficiency virus

    C

    people will have to learn to live with the disease for over 50 years

    D

    the achievements made in preserving people’s health in the past will be wiped off


    正确答案： D
    解析：
    第四段第二句作者提到，到2025年艾滋病将成为非洲年轻人的最大杀手，它可以使一些国家人口的平均寿命降到40岁，仅艾滋病一项就会使过去50年在公共健康方面取得的成就化为乌有。

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