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标题: 请教GWD-9-Q23 [打印本页]

作者: selina_0805 时间: 2008-7-20 14:12
标题: 请教GWD-9-Q23

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

多谢大虾指点……

[此贴子已经被作者于2008-7-21 10:12:38编辑过]

作者: selina_0805 时间: 2008-7-20 16:27
帮帮忙吧，没搜到以前讨论过啊……

作者: selina_0805 时间: 2008-7-21 10:13
快沉没了……

作者: AlienX 时间: 2008-7-21 12:20
D: 錯, 因為helping沒有parallel的對象
A中的could eventually propel比D and E中的could have the capability concise
A會比C parallel
是A嗎?

作者: selina_0805 时间: 2008-7-21 19:29

好厉害啊，是A没错，可是我不知道 tested that could 都做什么成分啊，总觉得别扭……

感谢牛牛的回答~

作者: jesuisdesole 时间: 2008-7-21 22:21

路过帮顶，这个 that 在这里是什么意思呢？

定语从句吗，如果修饰a new type of jet engine 是不是远了点哦

作者: AlienX 时间: 2008-7-23 02:06
umm...如果要重排
a new type of jet engine [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] is being tested

is being tested會隔太遠...

A中的'that....'的位置會比較好....

作者: AlienX 时间: 2008-7-23 02:06
'that...'是定語從句

作者: nemo11 时间: 2008-7-23 06:20

以下是引用AlienX在2008-7-23 2:06:00的发言：
umm...如果要重排
a new type of jet engine [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] is being tested

is being tested會隔太遠...

A中的'that....'的位置會比較好....

同意~

作者: reallingling 时间: 2008-7-23 07:16

E for me. and also I think gwd gives the answer of e in his gmat training class.

A sounds like that the "engine testing" could eventually propel aircraft.....

作者: AlienX 时间: 2008-7-23 10:52
hmm...actually, A is better than D in a sense that A expresses the relationship between "a new type of jet engine is being tested" and "that could eventually propel...".
The implied relationship is saying, "the test result of the new type of jet engine tell us that the new type of engine could eventually propel..."
Let's look at E:
A new type of jet engine is being tested, and it (the new type of jet engine) could eventually propel...
This structure tells us 2 unrelated things: the engine is tested, and the engine could eventually propel...
OG10 has at least one question testing the different between "that" and "and". The explanation explicitly says that "and" constructs a sentence to discuss two unrelated "things".
I can't remember the exact question #. If I find it, I will post under this thread.

作者: cyyp 时间: 2008-10-22 20:24
ha，我也选E

A里面这个that是没道理的。

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