Citing the recent increase in earnings by several computer companies, economists feel that a cycle has begun in which personal computer users, especially corporate consumers, are replacing their PC's with more powerful models.
a cycle has begun in which personal computer users
a cycle for personal computer users has begun in which they
there is a cycle beginning for personal computer users
it is the beginning of a cycle for personal computer users
personal computer users are in the beginning of a cycle when they
题目分析:
本题比较重要的一点是能看出选项(A)的这个倒装句来,正常语序为:
a cycle in which personal computer users, especially corporate consumers, are replacing their PC's with more powerful models has begun.
这里的倒装是因为cycle的定语从句实在是太长了,放在句中会使得主干部分被相隔太远,不容易让读者看明白。
选项分析:
A选项:Correct.本选项在语法和逻辑上均是正确的。
B选项:本选项的问题主要在于用词的赘余上。如果将选项的倒装还原则有:
a cycle for personal computer users in which personal computer users, especially corporate consumers, are replacing their PC's with more powerful models has begun.
观察两个划线部分可以发现,其中一个personal computer users必然是赘余的。
C选项:本选项在语法上有误。划线部分中的there be句型中出现了谓语动词is,在未划线部分中还出现着一个谓语动词are replacing,而这两个谓语动词之间并没有连词来隔开。
D选项:本选项错误几乎同(C),依然是两个谓语动词之间没有连词隔开。
E选项:主句中personal computer users are in the beginning of a cycle至少需要改为personal computer users has begun a cycle(begin可以作为及物动词来使用)。这点考查的在原理上近似于“动名词和不定式的区别”,用之于本题,例如,我们说:
James is in the celebration.
若例句成立,则必然地,在詹姆斯处于这个庆典之前,这个庆典已经存在了,他不可能处于一个本不存在的事物中(有点哲学的感觉。。)。再看本选项,根据例句的原则,若本选项成立,则必然循环开始的时间是发生在“个人电脑用户处于这个循环中”这件事的时间之前的,或至少是等同时间发生的。但是在逻辑上,这个循环就是私人电脑用户创造出的循环,只有在循环开始后他们才能身处其中。因此,本选项是错误的。
本题比较重要的一点是能看出选项(A)的这个倒装句来,正常语序为:
a cycle in which personal computer users, especially corporate consumers, are replacing their PC's with more powerful models has begun.
这里的倒装是因为cycle的定语从句实在是太长了,放在句中会使得主干部分被相隔太远,不容易让读者看明白。
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