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[Sentence Correction]
试题详情
题目：
Twenty-two feet long and 10 feet in diameter, the AM-1 is one of the many new satellites that is a part of 15 years effort of subjecting the interactions of Earth's atmosphere, oceans, and land surfaces to detailed scrutiny from space.
选项:
A、satellites that is a part of 15 years effort of subjecting the interactions of Earth's atmosphere, oceans, and land surfaces
B、satellites, which is a part of a 15-year effort to subject how Earth's atmosphere, oceans, and land surfaces interact
C、satellites, part of 15 years effort of subjecting how Earth's atmosphere, oceans, and land surfaces are interacting
D、satellites that are part of an effort for 15 years that has subjected the interactions of Earth's atmosphere, oceans, and land surfaces
E、satellites that are part of a 15-year effort to subject the interactions of Earth's atmosphere, ocean, and land surfaces
答案:
E
提问：
请老师帮我看看A和E的区别，谢谢！我关注到一个用is，一个用are；而且一个用of -ing，一个用了 to do。如何快速地选出更好的。
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提问：
正确答案E,我选的B
浏览选项，开始杀掉A,C,D。A是因为那个a part of 15 years effort of subjecting,这个地方years应该是所有格形式
C，part of 15 years 前面缺东西。
D，从句里套从句，杀~
但是B和E留下来了，发现的区别就是一个be动词是单数，一个是复数。读句子觉得应该说的是关于AM-1，所以就选B了，麻烦老师讲下，谢了！
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