A. | can have made | B. | could make | C. | could have made | D. | can make |
分析 我把我的成功归功于前一天你们的辛勤付出.没有你们我相信我是不会做到这一点的.
解答 答案:C.
本题是属于含蓄虚拟条件句的考查.couldn't have done 意为"(过去)不可能做某事,但实际上已做了".此处否定发生了转移,是对前一天所发生的事实的一种虚拟.故选C.
点评 有时候假设的情况不以if引导的条件从句形式表现出来,而是通过一个介词短语,连词或其他形式表示.常用的词或短语有:without,with,but for(要是没有),otherwise,or,but等.
But for electricity(=If there were no electricity,there would be no modern industry.
He felt very tired yesterday,or/otherwise he would have attended the party.
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A new generation addiction is quickly spreading all over the world. Weboholism, a twentieth century disease, affects people from different ages. They surf the net, use email and speak in chat rooms. They spend many hours on the computer, and it becomes a compulsive habit. They cannot stop, and it affects their lives.
Ten years ago, no one thought that using computers could become compulsive behavior that could affect the social and physical life of computer users. This obsessional behavior has affected teenagers and college students. They are likely to log on computers and spend long hours at different websites.
They become hooked on computers and gradually their social and school life is affected by this situation. They spend all free time surfing and don't concentrate on homework, so this addiction influences their grades and success at school. Because they can find everything on the websites, they hang out there. Moreover, this addiction to websites influences their social life.
They spend more time in front of computers than with their friends. The relation with their friends changes. The virtual life becomes more important than their real life. They have a new language that they speak in the chat rooms and it causes cultural changes in society.
Because of the change in their behavior, they begin to isolate themselves from the society and live with their virtual friends. They share their emotions and feelings with friends who they have never met in their life. Although they feel confident on the computer, they are not confident with real live friends they have known all their life. It is a problem for the future. This addictive behavior is beginning to affect all the world.
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