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Have you ever imagined that you could be cloned like Dolly the sheep in the not too distant future?
The news that a human embryo (胚胎) has been 1 cloned for the first time has caused mixed reactions (反映).
The 2 was carried out by scientists from the Advanced Cell Technology Inc (ACT), in Massachusetts, US. The group 3 the news on November 25.
“This is 4 human being. A clone is alive, it walks, it breathes,” said Jamie Grifo, 5 on the study of cloning at New York University School of Medicine.
“This is a set of cells in a lab that will be used to 6 someone's life. ”
Such research could lead to treatment for 7 such as heart diseases, AIDS and even cancer, 8 scientists.
Despite high hopes from other scientists, the news raised concerns immediately from religious and political leaders. Several 9 in the US do not allow human cloning. President George W. Bush also made it clear that he is 10 any type of human cloning. However, the scientists at ACT said they have no interest at present in 11 an early embryo into __12__.
Animals have been cloned repeatedly since Dolly the sheep 13 in 1997. And there were no real technical 14 to stand in the way of scientists making a cloned human embryo.
This time the research group used traditional cloning technology with a human 15
16 it was given DNA from an adult cell, the egg began to __17__.__18__ it was stopped from becoming a baby--at a stage in which it was 19 a ball of cells. The 20 technology has been used to clone sheep, cattle and monkeys.
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(5)
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(6)
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(8)
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A. according to
B. including
C. besides
D. argued
(9)
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(10)
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(11)
[ ]
A. developing
B. building
C. inventing
D. discovering
(12)
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(13)
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(14)
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(15)
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(16)
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(17)
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(1) C 從本句后面的has caused mixed reactions可知,克隆人類胚胎已經成功了. (2) A 根據題意此處應為“研究”,carry out research恰表示此意. (3) A make known the news是由make the news known倒裝而來,意思是“發布消息”. (4) D 根據上下文可知所要表達的意思是“這不是克隆人”. (5) C 從事研究的應是“專家”. (6) A save one's life意為“拯救某人的生命”,rescue意為“援救.營救,挽救”,其賓語一般為人或物. (7) C 從下列舉的各種疾病可知正確答案為disease. (8) A 本處意為“根據科學家的觀點”. (9) D 在美國,省一級機構為“州”,因此states應為該題正確答案. (10) B 由句中also一詞可知Bush不支持human cloning,因此應選against. (11) A developing意為“發展”或“開發”,其它選項不符合句意. (12) A 根據文章的意思可知此處應為“嬰兒”之意. (13) B 克隆羊“多利”于1997年“誕生”了.appear此處可引申為“誕生”之意. (14) D problem通常指待解決或決定的問題,尤其指比較困難的問題.question通常指由于對某事疑惑不解而提出的問題. (15) A 根據下文內容可知要用egg一詞. (16) B 本句意為“egg加入一個人的DNA后就開始生長”,因此答案為after. (17) A 由上文可知. (18) B 按一般人的發育形成規律,egg開始生長后就長成baby,而下文說it被阻止長成baby,故答案為But. (19) B 根據文意,此處應為“仍然,依然”. (20) D 本句意為“同樣的技術已被應用于克隆羊、牛與猴子”. |
科目:高中英語 來源:英語教研室 題型:054
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If you do not use your arms or your legs for some time, they become weak. When you ___1___ using them again, they ___2___ become strong again. Everybody knows this and nobody would think of ____3___ this fact ___4___ there are many people who do not ___5____ to know that memory works in the ___6___ way.
____7___ someone says that he has a good memory, he ____8___ means that he ____9___ his memory by practicing exercising it. When someone ___10____ says that his memory is poor, he actually means that he ____11____ give it enough chances to become ____12___. Have you ever ____13____ that people who cannot read or write usually have ____14___ memories than those who can? This is ____15___ those who ____16___ read or write ____17___ remember things. They have to remember dates, places, names, songs and stories. So their memory is the whole time ___18___. So ___19___ you want to have a good memory, you should learn from those people, and ____20____ by remembering what you see, hear, feel and write. If so, you must have a good memory.
(1) A.begin |
B.go on |
C.stop |
D.continue |
(2) A.quickly |
B.slowly |
C.soon |
D.at once |
(3) A.doing |
B.agreeing |
C.questioning |
D.answering |
(4) A.Yet |
B.Still |
C.So |
D.Certainly |
(5) A.want |
B.seem |
C.get |
D.hope |
(6) A.other |
B.usual |
C.same |
D.opposite |
(7) A.As |
B.What |
C.While |
D.When |
(8) A.real |
B.actually |
C.true |
D.then |
(9) A.wants |
B.Builds up |
C.makes |
D.keeps |
(10) A.again |
B.else |
C.more |
D.once |
(11) A.do not |
B.is not |
C.never |
D.does not |
(12) A.poor |
B.weak |
C.strong |
D.healthy |
(13) A.seen |
B.heard of |
C.noticed |
D.thought of |
(14) A.worse |
B.better |
C.more |
D.less |
(15) A.why |
B.how |
C.because |
D.the reason |
(16) A.used to |
B.cannot |
C.try to |
D.have to |
(17) A.will not |
B.have to |
C.refuse |
D.cannot |
(18) A.ready |
B.being used |
C.busy |
D.training |
(19) A.if |
B.that |
C.though |
D.thus |
(20) A.please |
B.try |
C.train |
D.enjoy |
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科目:高中英語 來源:101網校同步練習 高二英語 人民教育出版社(新課標A 2002-3年初審通過) 人教版 題型:054
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科目:高中英語 來源:101網校同步練習 高三英語 人民教育出版社(新課標A 2002-3年初審) 人教版 題型:054
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