天山新题中一条Gemj大全与管为东答案不一致的的语法题

sindycindy

答案是E，据说是绝对牛人的答案

wei_wangyan

感觉看这种讨论贴的收获很大，虽然没有收获到正确答案！

xiaoyue00302

e

google里可以找到原书原文出处

tjuwenzi

以下是引用xiaoyue00302在2007-3-27 23:00:00的发言：

e

google里可以找到原书原文出处

搜了一下，但原文经过修改，不能证明是E，虽说我选的也是E。

This could lead to aircraft that can take people anywhere in the world within two hours or help boost cargoes into space at significantly lower costs, proponents say.

http://www.zap16.com/X43-a.htm

zxzhyzcy

joyspring

有人说E答案could和capabilty重复

could有以下两种用法

1、used as the past tense of 'can' to say what someone was able to do or was allowed to do in the past

2、used to say that something is possible or might happen

根据主句的现在时态，应该可以确定A和E中的could都应该是第二种用法，表可能性而非表能力。

这样，could和capabilty似乎就不重复了

llxx1985cn

up

andylouis

up

阿土莎莎

niswzzhn

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

            

(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
            

个人感觉是A，因为很明显B和E都有很明显的重复错误：could和have the capability of而且新东方的老师也说表示“能够”这几个词的优先级应该是：can和be able to优先ability优先capable优先capability。然后，C和D选项中的helping没有与之平行的对象，或者有与之平行的对象但是意思却无法解释。