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【简答题】

People who want to become astronauts have to study ( ) in order to the necessary science, math, and languages.

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【简答题】The training facility was ( ) by a huge pool that took up all the space in the building.
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【单选题】The two sides couldn't agree, so they worked with a mediator.
A.
correct
B.
incorrect
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【单选题】Jack has been quarantined. He was exposed to a very dangerous virus.
A.
correct
B.
incorrect
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【单选题】The International Space Station was a joint mission for a number of different countries.
A.
correct
B.
incorrect9
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【单选题】There is a new international project to put a satellite in orbit that is permanently fixed in space and does not move.
A.
correct
B.
incorrect
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【单选题】They worked intensively to solve the problem. They stayed on it for hours.
A.
correct
B.
incorrect
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【简答题】( ) a. The space program has good times and bad times. ( ) b. Boring duties on the International Space Station must be practiced many times. ( ) c. Canada has contributed much to the International Spa...
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【简答题】( ) The mission depends on Hadfield’s sound decisions and ability to lead.
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【简答题】( ) The plan is to stop using the International Space Station after the year 2020.
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【单选题】When astronauts are in space, even mundane tasks like brushing teeth can be a challenge.
A.
correct
B.
incorrect
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