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请教几道语法题??谢谢!

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楼主
发表于 2003-9-30 13:27:00 | 只看该作者

请教几道语法题??谢谢!

请教几道语法题??谢谢!


1, In the United States, a primary election is a method _______voters select the nominees for public office.

A, that         b, is that           c by which            d, by those

The key is C, but I feel A is the right answer, could anyone tell me why?


2,  Oceans continually lose by evaporation much of the river water _______.
A, to constantly flow into them
B, is constantly flowing into them
C, constantly flows into them
D, constantly flowing into them

Why B is wrong?
    

沙发
发表于 2003-9-30 14:45:00 | 只看该作者
1, In the United States, a primary election is a method _______voters select the nominees for public office.

A, that         b, is that           c by which            d, by those

The key is C, but I feel A is the right answer, could anyone tell me why?

that不对,因为通过句意理解,应该是by the method voters select the nominees for public office.从句的目的是为了说明通过METHOD做什么,而不是什么样的method.

2,  Oceans continually lose by evaporation much of the river water _______.
A, to constantly flow into them
B, is constantly flowing into them
C, constantly flows into them
D, constantly flowing into them

Why B is wrong?

句子的核心结构:oceans lose water,句子完整不能再加谓语动词,所以B错,D用分词结构做定语修饰water,所以正确。



板凳
 楼主| 发表于 2003-10-1 22:06:00 | 只看该作者
Thank you, Vivian.

I am preparing for the Oct. 18th exam. Could you help me with two more sentences?

1, Won its war for independence in 1783, the United States then struggled to establish its own economic and financial system.

A-won,         B-struggled to establish,           C- its own          D-system

What’s wrong with A?  I think system needs plus s.        


3, New uses for plastics were found during the 1950’s and 1960’s in medicine, space, research,industrial, and architecture.

A- New uses,         B- found,    C- the         D- industial


Why C is the right answer?

Thanks.
地板
发表于 2003-10-1 22:52:00 | 只看该作者
1、system前有限定词:its,并不是可数名词单独使用的错误。won是过去分词,这里应该用现在分词,因为其逻辑主语是:the United States
2、不会吧?这题应该是D错呀?应该用名词形式,以构成平行结构。
5#
发表于 2003-10-1 22:54:00 | 只看该作者
Let me try.
1, Won its war for independence in 1783, the United States then struggled to establish its own economic and financial system.
这句话的主句为 the U.S. struggled to establish.,前面是一个分句做状语,应改成wining 。
win 既有v. 也有n. 作动词时,其过去式和过去分词为won,
作名词复数应该是wins,没有wons这个词。
3, New uses for plastics were found during the 1950’s and 1960’s in medicine, space, research,industrial, and architecture.
in medicine, space, research, industrial, and arcitecture这里应该是并列的平行结构,都应该用n. 所以industrial 应改成industry,即工业,而industrial 是adj.,所以错。
6#
发表于 2003-10-2 00:42:00 | 只看该作者
关于第一题偶再补充一点,在用分词做状语的情况下,凡用到过去分词时,都是表示被动而不是表示过去式的概念,所以在这道题中,因为US是逻辑主语,不可能用won,不是被动关系,而是主动关系,要偶改的话,会改成:having won....

第二题完全同意前面两位同学的解释。
7#
 楼主| 发表于 2003-10-2 23:23:00 | 只看该作者
Thank you all for your explanation. There is still one thing not very clear.

3, New uses for plastics were found during the 1950’s and 1960’s in medicine, space, research,industrial, and architecture.

Why there is an " the" before 1950, but not in 1960? 是省略吗?

Thanks.
8#
 楼主| 发表于 2003-10-2 23:43:00 | 只看该作者
I have two more today. Thanks in advance.

4, The hardness of mineral often gives a clue to its identity.
        
A- the hardness      B-of mineral       C- gives         D-to
Why C is the right answer?

5, For thousands of years, people have used some kind of refrigeration cooling beverages and preserve edibles.

A-have used         B-kind           C-cooling       D-edibles

The key is C, is B right? I thought "some kinds of ".
9#
发表于 2003-10-3 20:05:00 | 只看该作者
第4题,呵呵,看样子从答案推原因还是不好,更正错误,我还是觉得B不对,应该是mineral前面少个冠词吧。

第5题这里应该是用动词不定式to cool,而不是cooling, 这还可以从and后面的preserve判断出来。


[此贴子已经被作者于2003-10-5 20:15:56编辑过]
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