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问题：共用题干 What is the Coolest Gas in the Universe?What is the coldest air temperature ever recorded on Earth?Where was this low temperature recorded ?The coldest recorded temperature on Earth was －91℃, which_____ (51) in Antarctica（南极洲） in 1983.We encounter an...
问题： A peculiarly pointed chin is his most memorable facial characteristic ....
问题：Michael is now merely a good friend,...
问题：共用题干 The Northern LightsThe Sun is stormy and has its own kind of weather It is so hot and active that even the Sun's gravity cannot hold its atmosphere in check!Energy flows away from the Sun toward the Earth in a stream of electrified particles that mov...
问题：You will be meeting her presently.A:shortly B:currently C:lately D:probably...
问题： Her heart was filled with compassion for the motherless children....
问题：共用题干 Wide World of RobotsEngineers who build and program robots have fascinating jobs. These researchers tinker（修补）with ma- chines in the lab and write computer software to control these devices."They're the best toys out there," says Howie Choset at Carn...
问题：共用题干 The iPad1 The iPad is a tablet computer（平板电脑）designed and developed by Apple. It is par-ticularly marketed as a platform for audio and visual media such as books,periodicals（期刊）,movies,music,and games,as well as web content. At about 1 .5 pounds(680 ...
