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1.California is(1)the third largest state in the USA but has the largest population.It also has the(2)distinction of being the most multicultural state in the USA,(3)having attracted people from all over the world.The customs and languages of the immigrants( 4)live on in their new home.This diversity of culture is not surprising when you know the history of California.
Cloning has two major uses.Firstly,gardeners use it all the time to produce (5)commercial  quantities of plants.Secondly,it is valuable for research (6)on new species.Cloning plants is straightforward (7)while cloning animals is very complicated.It is a difficult task to (8)undertake.Many attempts to clone mammals failed.But at last the( 9)determination and patience of the scientist(10)paid off in 1996with a breakthrough-the cloning of Dolly the sheep.

分析 第一篇文章介绍了加州是美国第三大州,它与众不同之处在于它也是美国最具多元化特征的一个州,吸引了来自世界各地的人们.
第二篇文章主要介绍了克隆的两个用途.第一,园艺师一直用它生产大量的供商用的植物.第二,它在对新植物物种的研究以及在对动物的医学研究方面都是很有价值的.

解答 1.the third largest 考查形容词最高级.根据常识:加州是美国第三大州.用充数词修饰最高级,即the third largest.
2.distinction 考查名词.根据句意:加州与众不同之处在于它也是美国最具多元化特征的一个州.用名词distinction,意为"不同;差异".
3.having attracted 考查现在分词.根据句意:它吸引了来自世界各地的人们.attract的动作发生谓语动词has之前,要用现在分词的完成式.
4.live on 考查固定搭配.live on意为"继续活着; 继续存在",是固定搭配.
5.commercial 考查形容词.根据句意:园艺师一直用它生产大量的供商用的植物.用形容词commercial.
6.on 考查介词.research on意为"对…的研究",是固定搭配.
7.while 考查连词.while此处意为"而,然而(表示对比)"
8.undertake 考查动词不定式.根据句意:它是一项很难完成的任务.用动词undertake,意为"着手做".
9.determination and patience 考查名词. 根据句意:科学家的决心和耐心最终得到了回报.用名词determination and patience.  
10.paid off 考查固定搭配.根据句意:科学家的决心和耐心最终得到了回报.pay off意为"有报偿",根据时间状语in 1996,要用一般过去时态.

点评 在一篇200词左右的语篇(短文或对话)中留出10处空白,部分空白的后面给出单词的基本形式,要求考生根据上下文填写空白处所需的内容或所提供单词的正确形式,所填写词语不得多于3个单词.要做好语法填空题,理解短文是解题的前提,扎实的词汇、句型和语法知识是基础,英语国家的背景知识是必要的补充.考生须灵活运用语法知识,如单词词性、单词时态、名词单复数、连接词、代词、冠词等判断各空白处应填写的内容.答完后,还要通读全文,核对所填单词形式是否正确,是否符合语境.

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