0  336996  337004  337010  337014  337020  337022  337026  337032  337034  337040  337046  337050  337052  337056  337062  337064  337070  337074  337076  337080  337082  337086  337088  337090  337091  337092  337094  337095  337096  337098  337100  337104  337106  337110  337112  337116  337122  337124  337130  337134  337136  337140  337146  337152  337154  337160  337164  337166  337172  337176  337182  337190  447090 

1.基因工程是指按照人们的愿望,进行严格的设计,通过体外DNA重组和转基因技术,赋予生物以新的遗传特性,创造出更符合人们需要的新的生物类型和生物产品。基因工程是在DNA分子水平上进行设计和施工的,又叫做DNA重组技术。

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第二节  书面表达(满分35分)高☆考♂资♀源?网   ☆

高三复习常用的方法有两种:立足课本,讲解知识点;以题为主,引出知识点。请你按照以下要点,写一篇100词左右的英语短文。

1.  立足课本,讲解知识点;注重基础知识,逐步提高能力;

2.  以题为主,引出知识点;不仅获得知识,而且学会如何解题;

3.  你喜欢的方式和理由……

注意:可根据内容适当增减细节,使语句连贯,符合逻辑,表达准确。

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自 贡 市 普 高 2010 级 第 二 次 诊 断 性 考 试

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第一节  短文改错(共10小题;每小题1.5分,满分15分)

此题要求改正所给短文中的错误。对标有题号的每一行作出判断:如无错误,在该行右边横线上画一个勾;如有错误(每行只有一个错误),则按下列情况改正:

此行多一个词:把多余的词用斜线(\)划掉,在该行右边横线上写出该词,并也用斜线划掉。

此行缺一个词:在缺词处加一个漏字符号(^),在该行右边横线上写出该加的词。

此行错一个词:在错的词下划一横线,在该行右边横线上写出改正后的词。

注意:原行没有错的不要改。高☆考♂资♀源?网   ☆

Is it necessary to have a laptop when children go to a university?   66. ____________

Different people have different ideas. Some who in favor of it    67. ___________

Think it’s improper to buy their children a laptop. For one thing,   68. ___________

it's regarded a reward for their hard work. For anther thing,      69. ___________

it’s convenient to study with a laptop with that one can search     70. ___________

for information. However, ohters think it added some families’    71. ___________

burden. What makes them think so is that there are not enough     72. ___________

computers to use in each university. In my opinion, if we have    73. ____________

a laptop or not depends on what we will major in. furthermore,     74. ___________

a laptop is so expensive that we may lose it in chance.         75. ___________

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