Before they are actually sent up in a spacecraft，______(宇航员需经受各种各样的测试)．astronaut

游客2023-08-31 24

问题 Before they are actually sent up in a spacecraft，______(宇航员需经受各种各样的测试)．

选项

答案 astronauts are subjected to all kinds of tests

解析考查固定搭配be subjected to。subject意为“使经受，使遭受”，是被动形式，to后跟名词。

转载请注明原文地址:https://tihaiku.com/zcyy/2974393.html

相关试题推荐

随机试题

最新回复(0)

Childrenaregettingsofattheymaybethefirstgenerationtodiebeforet