2011年职称英语考前最新串讲与答题技巧荟萃(4)

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By sequencing the chimp genome and pinpointing (找到) the
place where the chimpanzee DNA sequence differs from that of humans, scientists hope to be able to discover which part of the genetic code gives chimps their increased resistance to some diseases. This, they hope, will allow them to develop new and more effective treatments for the human forms of these diseases. Such treatments could include the production of new drugs or even the alteration (改 变) of the human genetic sequence. The recently completed human genome sequencing project has shown that such an effort is now well within our reach. 23Paragraph 1 24Paragraph 2 25aragraph 3 26Paragraph 4 A: Reasons for HIV resistance B: Implications of chimpanzee extinction for humans C: Effective AIDs treatment D: Genetic similarities between chimps and humans E: Chimps' resistance to HIV F: Genetic differences between chimps and humans 27: Chimpanzee extinction may affect 28: There is a difference of less than 2% between the chimp and 29:Scientists suspect that genes play a significant role in protecting chimps from getting 30:The discovery of the genetic code of chimps will be helpful to A: some human disease treatments B: some diseases C: human survival 生存 D: human genomes E: key areas F: healthier lifestyle
解题： 解题： 23Paragraph 1
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24Paragraph 2 25aragraph 3 26Paragraph 4 A: Reasons(原因) for HIV resistance（抵抗、反抗） B: Implications of chimpanzee exti

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nction（灭绝，和 extinct 是同根词） for humans C: Effective（有效的） AIDs treatment（治疗） 。 D: Genetic similarities（相似之处） between chimps and humans E: Chimps' resistance to HIV F: Genetic differences（不同、区别） between chimps and humans 看第 1 段： 1 Chimpanzees (黑猩猩 will soon be extinct (灭绝 If the 黑猩猩) 灭绝). 黑猩猩 灭绝 present rate of hunting and habitat (栖息地) destruction continues, then within 20 years, there will be no chimpanzees living in the wild. But （转折概念的连词，重要！ ）this is more than an environmental or moral tragedy (悲剧). Chimpanzee extinction may also have profound implications (含意 for the survival （ 生存 ） of their 含意) 生存） 含意 distant relatives — human beings. 该段的内容同 B 选项相似。 B: Implications of chimpanzee extinction（灭绝，和 extinct 是同根词） for humans。 看第 2 段： In 1975 the biologist Marie-Claire King and Allan Wilson discovered 『that the human and chimpanzee genomes (基因组) match by over 98%. 』Compare this to the mouse, used as model for human disease in lab tests, which shares only 60% of its DNA with us. In fact, chimpanzees are far more similar（该词是 similarity 的同根 （ 词。 to humans than they are to any other species of monkey. As well ） as resembling us genetically, chimps are highly intelligent and able to use tools. These facts alone should be enough to make protection of chimps an urgent priority (优先). But there is another, more selfish reason to preserve the chimp. 通过 discover 的发现结果和同根词 similar 的出现，完全可以确定 D 是答案； D: Genetic similarities（相似之处） between chimps and humans。
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看第 3 段： 3 The chimpanzees' trump card (王牌) comes in the field of medical research. Chimpanzees are so similar to humans that veterinarians (兽医) often refer to human medical textbooks when treating them. Yet （转折概念关键词， 其后的内容将是该段的重点！ chimpanzees do show ） differences in several key areas. In particular, chimps are much more resistant to a number of major diseases. It is this ability that is so interesting. 所以，只要注意划线的两个重点词汇，段义就可以得出是 F。 F: Genetic differences（不同、区别） between chimps and humans 看第 4 段： 4 For example, chimps seem to show a much higher resistance than humans to HIV, the virus that causes Aids. Indeed, their use as experimental animals in AIDS research has declined because they are so resistant. 该段是第三段 difference 的具体举例说明。而第一句就是例子的概括，与剩余 答案的 E 相关。 E: Chimps' resistance
to HIV 继续做完成句子题：先看题目！ 继续做完成句子题：先看题目！ 27: Chimpanzee extinction may affect（动词，影响） 28: There is a difference of less than 2% between the chimp and

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29: Scientists suspect（怀疑） that genes play a significant（重要的， 相当于 important） role in protecting chimps from getting 30:The discovery of the genetic code of chimps will be helpful to A: some human disease treatments(一些人类的疾病的治疗) B: some diseases（一些疾病） C: human survival（人类的生存） D: human genomes（人类的基因组） E: key areas（关键的领域） F: healthier lifestyle（健康的生活方式） 在做该部分题目时，别忽略了我们在前一部分对主要段落的理解， 在做该部分题目时，别忽略了我们在前一部分对主要段落的理解，以及主要的 句子表达！ 句子表达！ 27: Chimpanzee extinction may affect（动词，影响） 该题是说：黑猩猩的灭绝可能会影响到：
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大家还应该记得这样的句子的表达来自于第一段： Chimpanzee extinction may also have profound implications (含意) for the survival of their distant relatives — human beings. 所以只要大家找到了句子， 所以只要大家找到了句子，答案很容易确定应该是 C。 。 28: There is a difference of less than 2% between the chimp and 题目是说：在黑猩猩和之间有 2%的差异。 大家还记得在第 2 段第一句话是：In 1975 the biologist Marie-Claire King and Allan Wilson discovered that the human and chimpanzee genomes (基因组) match by over 98%. （在人类和黑猩猩的基因组有 98% 是匹配的，言外之意是 2%是不同的。 ） 所以答案是 D。 。 29: Scientists suspect（怀疑） that genes play a significant（重要的， 相当于 important） role in protecting chimps from getting 题目是说：科学家怀疑在保护黑猩猩远离方面基因起着重要的作用。 该题有难度。最后答案是出现在第五段： scientists hope to be able to discover which part of the genetic code gives chimps their increased resistance to some diseases. 所以答案是 B。 30:The discovery of the genetic code of chimps …… 此处隐藏：5916字，全部文档内容请下载后查看。喜欢就下载吧 ……