After more than four decades of research and development, a new type of jet engine is being tested that could eventually propel aircraft anywhere in the world within two hours or help boost cargoes into space at significantly lower costs than current methods permit._请问E选项错在哪里？出国考试答疑器_GMAT

[Sentence Correction]

试题详情

题目：

After more than four decades of research and development, a new type of jet engine is being tested that could eventually propel aircraft anywhere in the world within two hours or help boost cargoes into space at significantly lower costs than current methods permit.

选项:

A、tested that could eventually propel aircraft anywhere in the world within two hours or help

B、tested that could eventually have the capability of propelling aircraft anywhere in the world within two hours or to help

C、tested, eventually able to propel aircraft anywhere in the world within two hours, or helping

D、tested, and it eventually could propel aircraft anywhere in the world within two hours or helping

E、tested, and it could eventually have the capability to propel aircraft anywhere in the world within two hours or help

提问：

请问E选项错在哪里？

解答：

出国考试答疑器，
解决你的问题

在这里你可以:

[Sentence Correction]

试题详情

题目：

选项:

答案:

提问：

解答：

提问：

解答：

提问：

解答：

提问：

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提问：

解答：

问个问题

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在这里你可以:

[Sentence Correction]

试题详情

题目：

选项:

答案:

提问：

解答：

提问：

解答：

提问：

解答：

提问：

解答：

提问：

解答：

问个问题

学长故事

免扫码试听

24小时随身答疑小程序

GMAT每日一题

出国考试答疑器，
解决你的问题