1、考研英语（阅读）-试卷 60及答案解析(总分：70.00，做题时间：90 分钟)一、Reading Comprehensio(总题数：7，分数：70.00)1.Section II Reading Comprehension（分数：10.00）_2.Part ADirections: Read the following four texts. Answer the questions below each text by choosing A, B, C or D.（分数：10.00）_For 10 years I have been teaching animal behavior and
2、 conservation biology at the Boulder County Jail in Colorado. The coursepart of the Jane Goodall Institute“s Roots the second were 54 of their healthy siblings (brothers or sisters); and a further 24 were children without diabetes who were not related to anyone else in the study. The researchers the
3、n compared DNA from the mothers and their children. Because mothers pass copies of about half their genes to their children, some genes in any child-mother pairs will be unique to the motherthose that the child has not inherited from her. Othersversions of genes that came from dadwill be unique to t
4、he child. Dr Nelson used the uniquely maternal genes to find mothers“ cells in the volunteers“ blood. The technique found maternal cells in about half the diabetics“ samples, but in only about one-third of the healthy siblings“ samples and in less than one-fifth of those from the unrelated volunteer
5、s. Moreover, the microchimerism was not only more common but also more pronounced in diabetics. Dr Nelson also looked for signs that the maternal cells had caused the diabetes but found no evidence. So, contrary to established opinion, she believes maternal cells can do children good. These cells ma
6、y help any bodily organ work better, she says, apart from the reproductive kind. Mothers“ protective interference goes onseen and unseen.（分数：10.00）(1).“Microchimerism“ refers to a form of maternal interference in which mothers _.（分数：2.00）A.keep telling their children what they should eat all day lon
7、gB.help sick children with their own cells left inside children“s bodiesC.interfere with children“s lives in an all-round wayD.leave all of their own cells, good or bad, inside their children“s bodies(2).It is stated in Paragraph 2 that microchimerism could_.（分数：2.00）A.only be detected in people wit
8、h autoimmune conditionsB.be found in people of all ages and of all racesC.also be found in people who enjoy good healthD.be detected in people with all unhealthy conditions(3).Some genes in child-mother pairs will be unique to the mother in that _.（分数：2.00）A.these genes haven“t been passed to the ch
9、ildB.less than half of the genes have been passed to the childC.these genes come from the fatherD.the child is not willing to inherit these genes(4).According to Dr Nelson in the last paragraph, maternal cells would _.（分数：2.00）A.lead to the diabetesB.trigger various diseasesC.exert positive impact o
10、n childrenD.harm rather than help(5).What is the author“s attitude towards maternal interference?（分数：2.00）A.Supportive.B.Biased.C.Impartial.D.Ironic.考研英语（阅读）-试卷 60答案解析(总分：70.00，做题时间：90 分钟)一、Reading Comprehensio(总题数：7，分数：70.00)1.Section II Reading Comprehension（分数：10.00）_解析：2.Part ADirections: Read t
11、he following four texts. Answer the questions below each text by choosing A, B, C or D.（分数：10.00）_解析：For 10 years I have been teaching animal behavior and conservation biology at the Boulder County Jail in Colorado. The coursepart of the Jane Goodall Institute“s Roots the second were 54 of their hea
12、lthy siblings (brothers or sisters); and a further 24 were children without diabetes who were not related to anyone else in the study. The researchers then compared DNA from the mothers and their children. Because mothers pass copies of about half their genes to their children, some genes in any chi
13、ld-mother pairs will be unique to the motherthose that the child has not inherited from her. Othersversions of genes that came from dadwill be unique to the child. Dr Nelson used the uniquely maternal genes to find mothers“ cells in the volunteers“ blood. The technique found maternal cells in about
14、half the diabetics“ samples, but in only about one-third of the healthy siblings“ samples and in less than one-fifth of those from the unrelated volunteers. Moreover, the microchimerism was not only more common but also more pronounced in diabetics. Dr Nelson also looked for signs that the maternal
15、cells had caused the diabetes but found no evidence. So, contrary to established opinion, she believes maternal cells can do children good. These cells may help any bodily organ work better, she says, apart from the reproductive kind. Mothers“ protective interference goes onseen and unseen.（分数：10.00
16、）(1).“Microchimerism“ refers to a form of maternal interference in which mothers _.（分数：2.00）A.keep telling their children what they should eat all day longB.help sick children with their own cells left inside children“s bodies C.interfere with children“s lives in an all-round wayD.leave all of their
17、 own cells, good or bad, inside their children“s bodies解析：解析：词义理解题。根据第二段第一句可得知对于 microchimerism的解释应该在上一段中，因此通过第一段最后一句“当孩子的细胞出现问题时.从母亲那里继承来的细胞会对其进行修复”可得出答案为 B项。(2).It is stated in Paragraph 2 that microchimerism could_.（分数：2.00）A.only be detected in people with autoimmune conditionsB.be found in peop
18、le of all ages and of all racesC.also be found in people who enjoy good health D.be detected in people with all unhealthy conditions解析：解析：事实细节题。根据第二段最后一句话“健康人的体内也有母血细胞，却似乎并没有引发什么不良后果”。可得出答案为 C项。(3).Some genes in child-mother pairs will be unique to the mother in that _.（分数：2.00）A.these genes haven“t
19、 been passed to the child B.less than half of the genes have been passed to the childC.these genes come from the fatherD.the child is not willing to inherit these genes解析：解析：因果细节题。根据第四段第一句话可知母亲独有的基因指那些没有被孩子继承的基因，因此A项正确。(4).According to Dr Nelson in the last paragraph, maternal cells would _.（分数：2.00
20、）A.lead to the diabetesB.trigger various diseasesC.exert positive impact on children D.harm rather than help解析：解析：细节推断题。根据最后一段第二句提到的 do children good可得出答案为 C项。(5).What is the author“s attitude towards maternal interference?（分数：2.00）A.Supportive.B.Biased.C.Impartial. D.Ironic.解析：解析：观点态度题。通读全文可知作者并未对母性干预做出任何主观性的评论，而文章最后一句“无论人们注意到与否，母亲们的保护性干预始终存在”也印证了这点，因此 C项“中立的”正确。
