The most crucial problem any economic system faces is how to use its scarce resources.A: puzzling B: difficult C: terrifying D: urgent

题目
The most crucial problem any economic system faces is how to use its scarce resources.

A: puzzling
B: difficult
C: terrifying
D: urgent
相似考题

1.A major indicator of a country's economic growth is the change in its gross national product, or GNP, which is the total value of goods and services produced by an economic system in a year.()此题为判断题(对，错)。

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4."We’ll show your people how to use this land properly, how to make the most of it. " is said by().A、KarenB、PocahontasC、John SmithD、Grandma Willow

更多“ The most crucial problem any economic system faces is how to use its scarce resources.”相关问题

  • 第1题：

    For any information system to serve its purpose,the information must be ( ) when it is needed.

    A.integral

    B.available

    C.irreplaceable

    D.confidential


    正确答案：B

  • 第2题：

    The most crucial problem any economic system faces is how to use its scarce resources.

    A: puzzling
    B: difficult
    C: terrifying
    D: urgent

    答案：D
    解析：
    句意：任何经济体系面临的至关重要的问题是如何使用缺少的资源。crucial“至关紧要的”和urgent“紧急的”含义最接近。puzzling“使迷惑的”; terrifying“使感到恐怖”。

  • 第3题：

    The most crucial time for project risk assessment is （ ） .

    A.when a problem surfaces
    B.during the planning phase
    C.during the close-out phase
    D.after the project schedule has been published

    答案：B
    解析：
    进行项目风险评估最关键的时候是规划阶段。A．问题出现时 B．规划阶段 C．结束阶段 D．项目进度公布后

  • 第4题：

    The following entry is in the /etc/host.equiv and /home/jsmith/.rhosts file on server Alpha：+ jsmith.What does this entry indicate？（）

    • A、The user "jsmith" can use r-commands from any server to server Alpha system-wide
    • B、The user "jsmith" can use r-commands from server Alpha to any server system-wide
    • C、The user "jsmith" can use r-commands from server Alpha to any server with a /home/jsmith directory
    • D、The user "jsmith" can use r-commands from any server to server Alpha only in the /home/jsmith directory

    正确答案:A

  • 第5题：

    A user on a network cannot access any network resources. The link light on the computer showsthat a connection is present. Which of the following is the MOST likely cause of the problem?（）

    • A、The wrong cable type has been used.
    • B、. IDS has shut down the computer's switch port.
    • C、The port on the switch is configured incorrectly
    • D、Spanning tree protocol was implemented.

    正确答案:C

  • 第6题：

    The df command indicates that a filesystem is full， however， the du command indicates that not all space is allocated.  How would the system administrator isolate the discrepancy（）

    • A、Use the fuser command to identify deleted but open files.
    • B、Use the ipcs command to view orphan shared memory segments.
    • C、Use the defrag command to determine if the filesystem is fragmented.
    • D、Use the topas command to identify processes using the most system resources.

    正确答案:A

  • 第7题：

    An  administrator  runs  mktcpip  aixhost  172.168.0.50  enO  to  change  the  network  address，  but  the  command  hangs  for  an  extended  period  of  time.   Which  of  the  following  is  the  most  likely  cause  of  the  problem（）

    • A、entO is in a defined state
    • B、enO is currently active
    • C、There is no physical network adapter on the system
    • D、The address 172.168.0.50 is in use by another system

    正确答案:B

  • 第8题：

    After restarting your Windows 2000 Professional Computer, your Monitor shows a blank blue screen without text and your Computer will does respond to keyboard or mouse commands. You discover that an incorrect driver was just installed. How should you correct the problem? （）

    • A、Use the "Last Known Good Configuration" to restart you system and correct the problem.
    • B、There is nothing you can do. Reinstall the Operating System.
    • C、Call the manufacturer to request a Windows 2000 compatible driver.
    • D、Use the Emergency-Repair-Disk.

    正确答案:A

  • 第9题：

    单选题
    The most crucial time for any bearing with regards to lubrication is （）
    A

    during low loads

    B

    after proper oil viscosity is reached

    C

    during starting

    D

    after cleaning filters


    正确答案： B
    解析： 暂无解析

  • 第10题：

    单选题
    A user on a network cannot access any network resources. The link light on the computer showsthat a connection is present. Which of the following is the MOST likely cause of the problem?（）
    A

    The wrong cable type has been used.

    B

    . IDS has shut down the computer's switch port.

    C

    The port on the switch is configured incorrectly

    D

    Spanning tree protocol was implemented.


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    During the Clinton presidency, the U.S. enjoyed more than any time in its history peace and economic well being.
    A

    the U.S. enjoyed more than any time in its history peace and economic well being

    B

    the U.S. enjoying more than any other time in its history peace and economic well being

    C

    more peace and economic well being was enjoyed by the U.S. than any other time

    D

    economic peace and well being was enjoyed by the U.S. more so than any other ~ time in the country’s history

    E

    the U.S. enjoyed more peace and economic well being than at any other time in its history


    正确答案： A
    解析：
    原句措辞不恰当。E纠正了这个错误。

  • 第12题：

    单选题
    The df command indicates that a filesystem is full， however， the du command indicates that not all space is allocated.  How would the system administrator isolate the discrepancy（）
    A

    Use the fuser command to identify deleted but open files.

    B

    Use the ipcs command to view orphan shared memory segments.

    C

    Use the defrag command to determine if the filesystem is fragmented.

    D

    Use the topas command to identify processes using the most system resources.


    正确答案： B
    解析： 暂无解析

  • 第13题：

    The most crucial time for project risk assessment is ( ).

    A.when a problem surfaces

    B.during the planning phase

    C.during the close-out phase

    D.after the project schedule has been published


    正确答案：B

  • 第14题：

    The most crucial issue at present is how to solve the problem of food safety.

    A: necessary
    B: important
    C: demanding
    D: urgent

    答案：B
    解析：
    句意为：目前最关健的问题是如何解决食品安全的问题。important意为“重要的”; necessary意为“必要的、必需的”;demanding意为“苛求的、要求高的”;urgent意为“紧迫的、紧要的”;crucial意为“关键的，重要的”，只有B与其意思相近。

  • 第15题：

    The best title for the passage is“_______”.

    A.How to Reuse Water
    B.Two Solutions to the Problem of Water Shortage
    C.Stop Wasting Our Limited Water
    D.How to Make Use of Seawater

    答案：B
    解析：

  • 第16题：

    In terms of information literacy， an information literate student is able to（）

    • A、determine the nature and extent of the information needed and access needed information effectively and efficiently.
    • B、evaluate information and its sources critically and incorporate selected information into his or her knowledge base and value system.
    • C、use information effectively to accomplish a specific purpose individually or as a member of a group.
    • D、understand many of the economic，legal，and social issues surrounding the use of information and access and use information ethically and legally.

    正确答案:A,B,C,D

  • 第17题：

    A user is reporting that access to a file server is much slower than it has been. The system administrator completes a test of the server using a system monitoring tool and compares it to the previously taken baseline. The comparison shows that there are no significant changes in the use ofsystem resources.  Which of the following actions should be taken to resolve this users problem？（）

    • A、 Add additional RAM to the users PC
    • B、 Troubleshoot the users PC
    • C、 Add additional RAM to the server
    • D、 Add additional hard drive space to the server

    正确答案:B

  • 第18题：

    A customer is considering the purchase of an XIV system to leverage thin provisioning. They are concerned that their application will use all available space during formatting, which will remove any thin provisioning benefits. What should the storage specialist discuss with the customer?（）

    • A、the possibility of changing the application so this no longer happens
    • B、with the XIV system's SATA basedapproach, storage costs are so low that over-provisioning is not an issue
    • C、the XIV system has immediate zero page reclamation features that will immediately return the volume to its original size
    • D、the XIV system has a white space reclamation feature that will return the volume to its original thin provisioned size over time

    正确答案:D

  • 第19题：

    How can resource allocations for an active partition on a Power 750 be changed immediately and permanently?（）

    • A、Use Capacity on Demand to add the resources.
    • B、Use DLPAR to add the resources and select the 'permanent' option.
    • C、Use DLPAR to add the resources, and change the partition profile.
    • D、Use an Operating System command to permanently request the resources.

    正确答案:C

  • 第20题：

    单选题
    The most crucial time for project risk assessment is ( ).
    A

    when a problem surfaces

    B

    during the planning phase

    C

    during the close-out phase

    D

    after the project schedule has been published


    正确答案： D
    解析： 进行项目风险评估最关键的时候是：规划阶段 A：问题出现时 B：规划阶段 C://结束阶段 D://项目进度公布后

  • 第21题：

    单选题
    A user is reporting that access to a file server is much slower than it has been. The system administrator completes a test of the server using a system monitoring tool and compares it to the previously taken baseline. The comparison shows that there are no significant changes in the use ofsystem resources.  Which of the following actions should be taken to resolve this users problem？（）
    A

     Add additional RAM to the users PC

    B

     Troubleshoot the users PC

    C

     Add additional RAM to the server

    D

     Add additional hard drive space to the server


    正确答案： C
    解析： 暂无解析

  • 第22题：

    单选题
    A customer is considering the purchase of an XIV system to leverage thin provisioning. They are concerned that their application will use all available space during formatting, which will remove any thin provisioning benefits. What should the storage specialist discuss with the customer?（）
    A

    the possibility of changing the application so this no longer happens

    B

    with the XIV system's SATA basedapproach, storage costs are so low that over-provisioning is not an issue

    C

    the XIV system has immediate zero page reclamation features that will immediately return the volume to its original size

    D

    the XIV system has a white space reclamation feature that will return the volume to its original thin provisioned size over time


    正确答案： D
    解析： 暂无解析

  • 第23题：

    单选题
    An  administrator  runs  mktcpip  aixhost  172.168.0.50  enO  to  change  the  network  address，  but  the  command  hangs  for  an  extended  period  of  time.   Which  of  the  following  is  the  most  likely  cause  of  the  problem（）
    A

    entO is in a defined state

    B

    enO is currently active

    C

    There is no physical network adapter on the system

    D

    The address 172.168.0.50 is in use by another system


    正确答案： B
    解析： 暂无解析

  • 第24题：

    单选题
    A user took a laptop on vacation and made changes to the configuration in order to use the device at the hotel. The user can reach the Internet, but cannot access any internal network resources. Which of the following is the MOST likely reason?（）
    A

    Incorrect DNS

    B

    Incorrect subnet mask

    C

    Duplicate IP address

    D

    Incorrect SSID


    正确答案： B
    解析： 暂无解析

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