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.
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
ans: A or E
A的that我觉得修饰错了,不可能跳跃那么老远修饰jet engine 呀
而E的capability to 与could又重复了, 我也不知道了,请NN指点一下吧
我个人倾向E
could have capability 不重复, 它和could在很多情况下不可以互相代替,不可以取简为用。
An example:
My son could have the capability to be the President of United States.
My son has the capability to be the President of United States.
A is correct.
E is wrong because "could" + "capability" 重复了。
在google 不算什么,但 ETS 不行。
A和E到底谁是谁非啊?上下左右看了十几遍,最后觉得E对。A还是that修饰出问
题了
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