A. | can have made | B. | could make | C. | could have made | D. | can make |
分析 我把我的成功歸功于前一天你們的辛勤付出.沒有你們我相信我是不會做到這一點的.
解答 答案:C.
本題是屬于含蓄虛擬條件句的考查.couldn't have done 意為"(過去)不可能做某事,但實際上已做了".此處否定發(fā)生了轉移,是對前一天所發(fā)生的事實的一種虛擬.故選C.
點評 有時候假設的情況不以if引導的條件從句形式表現(xiàn)出來,而是通過一個介詞短語,連詞或其他形式表示.常用的詞或短語有:without,with,but for(要是沒有),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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