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

游客2025-03-16 16

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”

转载请注明原文地址:http://tihaiku.com/zcyy/3999155.html

相关试题推荐

随机试题

最新回复(0)

Wearelookingforwardto______tothelecturebythefamousprofessor.A、sendB