分析 本文屬于記敘文閱讀,作者通過這篇文章向我們介紹了Russell Lyons做志愿者的事情,他不像其他的年輕人一樣做志愿者是為了讓自己的大學(xué)申請上給人印象深刻,他做志愿者是受媽媽的影響,這是他自然的一部分,不用故意為之.
解答 56.B 推理判斷題.根據(jù)第一段中的"He was 4.Still,said it felt good up there,front of he in the other kids,lending a hand.He wanted more of that feeling."可知,Russell Lyons 四歲時作為志愿者為學(xué)前兒童讀書,這給他留下了極深的印象. creative 有創(chuàng)造性的; persuasive 有說服力的;imaginative 有想象力的,均與短文語境不符,故選B.
57.A 段落大意題.文章第三段中提到了 Russell Lyons 曾經(jīng)所從事過的各種志愿者工作,而在這一段的后半部分則提到他現(xiàn)在正在洛杉磯,從事一個支持殘疾青年的項目. 由此可知,本段意在表達 Russell Lyons 正在從事志愿者工作.故選A.
58.C 細節(jié)理解題.根據(jù)文章第四段"It bothers him that the media often describes young people as lazy,self-centered and materialistic.So he sees his trip as a chance to make a statement,too.‘About 55 percent of teens do volunteer work,higher than the rate of adults,'…"可知,Russell Lyons 是反對所謂年輕人都懶惰,以自我為中心和追求物質(zhì)利益這種觀點的.故選C.
59.D 推理判斷題.根據(jù)倒數(shù)第二段的句子But charity work is a habit with him.可知,對于Russell Lyons 來說,從事志愿者工作已經(jīng)成為他生活中自然的一部分了.故選D.
60.B 推理判斷題,根據(jù)最后一段He gets some of that drive from his mother,Leslye Lyons,who has been involved in nonprofits for much of her life.She was there when her son"read"to the preschoolers-a memory of hers"that will never go away."可知Russell Lyons 喜歡從事志愿者活動是因為受了他母親的影響,故選B.
點評 考查學(xué)生的細節(jié)理解和推理判斷能力.做細節(jié)理解題時一定要找到文章中的原句,和題干進行比較,再做出正確選擇.在做推理判斷題時不要以個人的主觀想象代替文章的事實,要根據(jù)文章事實進行合乎邏輯的推理判斷.
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A. | serve | B. | that serving | C. | that serve | D. | serves |
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科目:高中英語 來源:2016-2017學(xué)年四川省樂山外國語學(xué)校高二下學(xué)期期中考試英語試卷(解析版) 題型:閱讀理解
As if there weren’t enough of them in the world already, scientists have succeeded in cloning flies. The alike fruit flies are the first insects ever cloned, says the Canadian team that created them. The question everyone asks is why anyone would want to clone flies in the first place. She hopes that the insects , which are very easy to experiment with , will help to adjust the cloning process in other animals and even in humans, where the technique is being researched to aid production of therapeutic (治療的) stem cells.
In cloning, the DNA-containing nucleus of an adult cell is injected into an egg whose own nucleus(細胞核) has been removed. At the moment, the majority of cloned mice, sheep and other animals die before birth. It is thought this is because the adult DNA is not properly ‘reprogrammed’.
Using flies, researchers might discover genes that are important for this reprogramming, and that have matches in other animals. That is because it is relatively easy in flies to knock out the function of a single gene and then attempt cloning with these cells, which will test whether that gene is important. If such genes are confirmed, then in theory cloned mammalian embryos(晶胚) might be grown in selected solutions that change the activity of those genes to improve the technique’s success rate. Although some groups have attempted to clone insects before, Lloyd says this is the first time it has been successful. The team used a slight difference on the standard cloning process: they transferred nuclei taken from embryos rather than fully-grown adult cells. They sucked several nuclei (pl)out of developing fly embryos, and injected them into a fertilized(已受精的) fly egg. From over 800 early attempts, they cloned five adult insects, the group reports in the journal Genetics.
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A.The importance of clone
B.First insects are cloned
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D.The advantages of clone
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D.it is safe to clone flies
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B.the improper technique of clone
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D.the improper rearrange of the adult gene
4.It can be inferred from the last paragraph that ______.
A.the clone of insects before used grown-up cells
B.the clone of insects were never experimented before
C.this time scientists cloned flies successfully and easily
D.based on this success, other animals will be cloned in large quantities.
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