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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。
解答：
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