Evidence (has been put forward) (showing) that astronauts (exposed) to long peri

游客2025-03-16 9

问题 Evidence (has been put forward) (showing) that astronauts (exposed) to long periods of weightlessness have (affected) quite severely.

选项 A、has been put forward
B、showing
C、exposed
D、affected

答案 D

解析宾语从句主语that astronauts和谓语动词affect是被动关系，所以要改“have affected”为“have been affected”

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