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标题: 天山20。NO6 [打印本页]

作者: philips6cn 时间: 2004-3-23 00:26
标题: 天山20。NO6

6. 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 or help

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

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

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

我怎么没办法理解A里THAT的那个重句啊

哪位大哥帮帮忙吧

作者: samsunyun 时间: 2004-3-23 03:50
in C, D, and E, the "it" refer to the "testing," not the "engine." in A and B the "that..." modified "engine."

This is my view of it, anyway, please double check with someone else.

[此贴子已经被作者于2004-3-23 3:53:23编辑过]

作者: lwei1016 时间: 2004-3-23 11:55
that从句修饰a new type of jet engine

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