分析 本文是一篇科教類閱讀,屬于說(shuō)明文,世界上只剩下大約1000只大熊貓,中國(guó)正拼命地克隆動(dòng)物和拯救瀕危物種,德州農(nóng)工大學(xué)的研究人員已經(jīng)進(jìn)行了過(guò)去的五年里在一個(gè)項(xiàng)目叫做"諾亞方舟".本文以此展開(kāi)談?wù),主要講述了中國(guó)在熊貓克隆方面的研究成果.
解答 28.答案:B.細(xì)節(jié)理解題.根據(jù)"Noah's Ark is aimed at collecting eggs,embryos (胚胎),semen and DNA of endangered animals and storing them in liquid nitrogen."可知,諾亞方舟的目的在于挽救頻臨滅絕的動(dòng)物.故選B.
29.答案:A.細(xì)節(jié)理解題.根據(jù)"The nuclear transfer (核子移植) of one species to another is not easy,and the lack of available panda eggs could be a major problem"可知,克隆大熊貓的主要問(wèn)題在于熊貓胚胎的缺乏.故選A.
30.答案:C.主旨大意題.根據(jù)全文內(nèi)容可知,本文主要講述了中國(guó)在克隆熊貓方面的研究成果.故選C.
31.答案:D.推理判斷題.根據(jù)"It is estimated that as many as 2,000species of mammals,birds and reptiles will become extinct in over 100 years"可推測(cè)出,在未來(lái)一個(gè)世紀(jì),大約有2000個(gè)物種將會(huì)滅絕.故選D.
點(diǎn)評(píng) 本文是一篇科教類閱讀,屬于說(shuō)明文,題目涉及標(biāo)題確定題,細(xì)節(jié)理解題,詞義猜測(cè)題.學(xué)生在做題時(shí)應(yīng)仔細(xì)閱讀原文內(nèi)容,把握文章大意,聯(lián)系文章上下文內(nèi)容及所給選項(xiàng)含義,從而得出正確答案,切忌胡亂猜測(cè),一定要做到有理有據(jù).
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36.A.frequently | B.regularly | C.occasionally | D.scarcely |
37.A.concern | B.importance | C.value | D.conscience |
38.A.keep | B.stay | C.spend | D.remain |
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44.A.fix | B.draw | C.pay | D.bring |
45.A.illness | B.signs | C.symptoms | D.signals |
46.A.collapse | B.fade | C.return | D.restore |
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48.A.by | B.a(chǎn)long | C.without | D.to |
49.A.short | B.wide | C.long | D.quick |
50.A.easily | B.severely | C.lightly | D.mentally |
51.A.even if | B.a(chǎn)s if | C.what if | D.only if |
52.A.found | B.researched | C.studied | D.examined |
53.A.distantly | B.directly | C.differently | D.immediately |
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55.A.reduce | B.decide | C.explain | D.understand |
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40.A.other | B.the last | C.a(chǎn)nother | D.the latter |
41.A.off | B.over | C.out | D.round |
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51.A.surface | B.shell | C.inside | D.outside |
52.A.different | B.bitter(苦的) | C.common | D.ordinary |
53.A.Who | B.What | C.How | D.Which |
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