天山新题20-6. 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.fficeffice" />
(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
在大全里面看到这题时很吃了一惊,因为Gemj大侠给出的答案是A。而管为东给出答案是E。
我还是认为A好。虽然E也没错误。希望大家讨论。相关链接如下:
dispbbs.asp?BoardID=23&ID=40741
[此贴子已经被作者于2004-3-20 23:17:44编辑过] |