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    need ⑴作为情态动词时主要用在否定句和疑问句中.但是也可以用在用条件的肯定句中.这个条件是:肯 定句中必须含有某些含某种否定含义的词语.例如only ,but ,all,before等或者说句子中暗含某 种否定含义. One need only consider the facts .否定含义是:只需考虑这些事实.不必去做别的事. He need do it but once .否定含义是:他不必做两次以上. All he need do is state his opinion clearly. 否定含义是:只要清楚地陈述自己的观点.他不必做任何事. 练习题: To become a member of the civic association ,one need only attend three meetings ,and his fees regularly. A. pay B.to pay C.paying D.paid ⑵didn't need to 和needn't have done 的区别: 前者表示没有必要做实际上也没有做某事.后者表示做了不该做的事情. They didn't need to come here.他们不必来这儿. They needn't have come here.他们本来不必来这儿 They did not need to arrive so early .他们不必很早到达. She was too nervous to reply ,but fortunately she did not need to say nothing . 她紧张的无法答话.但是幸运的是她什么也不需要说. You needn't have told them that .你本不必把这件事情告诉他们. 练习题: ①You such a long essay ,the teacher only asked for 300 words ,and you have written 600 words . A.mustn't have written B.needn't have written C.ddn't have to write D.didn'need to write ②You all those calculations !We have a computer to do that sort of thing. A.mustn{'t have done B.must not have done C.shouldn’t have done not have done 【查看更多】

     

    题目列表(包括答案和解析)

    最近你所在的学校选出一男一女两名学生作为学校的形象大使，希望他们可以成为其他学生学习的模范。为此学生中展开了激烈的争论。请你根据下列提示，以“Do we need image ambassadors?” 为题给某英语报纸写一篇文章。

    注意：1. 词数: 120左右。2. 词汇： image ambassador 形象大使。

    3. 短文的开头已为你写好，不计入总词数。 

    　　Recently my school has chosen a boy and a girl to be its image ambassadors and hopes that others can learn from the two model students.

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    下面的一段文章为课文原文的浓缩，仔细阅读，根据原文章内容将其补充完整，并尽量背诵。下列词汇作为参考。

    　　What is called an advertisement? The most 　　1　　 types of adverts are those which give 　　2　　 about certain products and their companies．But now in a society where products are in direct 　　3　　 with each other, the adverts need to 　　4　　, and 　　5　　 the attention of the public, and modern 　　6　　 of design　are 　　7　　 to produce the most attractive advertisements, which people 　　8　　 looking at．

    　　With the development of advertising industry, those which 　　9　　 the highest 　　10　　 of graphic design with ideas 　　11　　 with the product are beginning to 　　12　　．In order to appeal to people’s interest and curiosity, top advertisers use humour 　　13　　 new and unusual ideas to 　　14　　 people．

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