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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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参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】The two sides couldn't agree, so they worked with a mediator.
A.
correct
B.
incorrect
【单选题】Jack has been quarantined. He was exposed to a very dangerous virus.
A.
correct
B.
incorrect
【单选题】The International Space Station was a joint mission for a number of different countries.
A.
correct
B.
incorrect9
【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
【单选题】They worked intensively to solve the problem. They stayed on it for hours.
A.
correct
B.
incorrect
【单选题】When astronauts are in space, even mundane tasks like brushing teeth can be a challenge.
A.
correct
B.
incorrect
【单选题】For thousands of years, sailors have used the stars to inhabit their way.
A.
correct
B.
incorrect