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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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D. discovering
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This is a part from US President Barack Obama’s speech on May 14 at Bamard College in New York.
… My last piece of advice – this is simple, but perhaps most important: 36 . Nothing worthwhile is easy. No one of achievement has avoided failure – sometimes catastrophic failures. But they keep at it. They learn from mistakes. They don’t 37 .
When I first arrived on this 38 , I was with little money, fewer options. But it was here that I tried to find my place in this world. I knew I wanted to make a difference, but it was 39 how in fact I’d go about it. But I wanted to do my part to 40 a better world.
So even as I worked after graduation in a few 41 jobs here in New York, even as I went from motley (鱼龙混杂的)apartment to motley apartment, I 42 .
… And I wish I could say that this perseverance came from some innate (天生的)toughness in me. But the truth is, it was 43 . I got it from 44 the people who raised me. I grew up as the son of a single mom who struggled to put herself through 45 and make ends meet. She had a marriage that fell apart; 46 went on food stamps at one point to help us 47 . But she didn’t quit. And she earned her degree, and made sure that 48 scholarships and hard work, my sister and I earned 49 .
And 50 , I met a woman who was assigned to advise me on my first summer job at a law firm. And she gave me such good advice that I married her. And Michelle and I gave everything we had to balance our careers and a 51 family. We made that marriage work.
… So 52 it’s starting a business, or running for office, or 53 an amazing family, remember that making your 54 on the world is hard. It takes patience. It takes commitment. It comes with plenty of 55 and it comes with plenty of failures.
36. A. compete B. persevere C. struggle D. preservation
37. A. rest B. decline C. quit D. regret
38. A. campus B. downtown C. farm D. country
39. A. confident B. uncertain C. ambitious D. proud
40. A. shape B. instruct C. organize D. lead
41. A. amazing B. disturbing C. meaningful D. unsatisfactory
42. A. reached out B. put out C. gave out D. made out
43. A. presented B. structured C. learned D. created
44. A. copying B. detecting C. persuading D. watching
45. A. life B. work C. school D. business
46. A. yet B. even C. still D. also
47. A. get by B. come by C. get along D. come along
48. A. during B. through C. across D. over
49. A. mine B. us C. ours D. hers
50. A. for the time being B. long before C. up to now D. later on
51. A. young B. poor C. weak D. strong
52. A. as if B. if C. whether D. unless
53. A. rising B. raising C. arousing D. arising
54. A. view B. stay C. remark D. mark
55. A. goals B. advantages C. shortcomings D. setbacks
This is a story that can teach us a good lesson. One day, a man in rags begged from door to door along the street. With an old wallet in his hand, he was asking for a few coins to buy something to eat. He kept complaining about his bad fortune and kept 36 why those who had so much money were never 37 and were always desiring more. |
“As far as I’m concerned, if I had only enough to 38 and to wear, I would not want anything more."
Just at that moment Goddess Fortune, who came down the 39 saw the beggar and said to him, “Hi, I have wished to 40 you for a long time. Now, open your 41 and I will pour my gold into it. But I will do that only on this 42 : All that falls into the wallet will be pure gold; but every piece falling upon the 43 shall become dust. Do you understand?”
“I see.” said the beggar.
“Then you should 44 !It’s obvious that your wallet is a/an 45 one, so don’t load it too heavily,” said the Goddess Fortune.
The excited beggar could hardly 46 to have gold. He quickly opened his wallet, and a 47 of yellow coins was poured into it. The wallet grew heavier and heavier.
“Is that enough? Isn’t it cracking?” asked Fortune.
“Never 48 .It’s still strong enough now” answered the beggar.
The wallet was filled with so many coins that the beggar’s hands began to 49 . “Ah, if only the golden stream would 50 forever! Just a little more,” said the beggar, “ 51 just a handful or two.”
“There! It’s full. The wallet will 52 .” warned the Goddess, but the beggar requested, “ It will 53 a little more, just a little more.”
One more piece was added and the wallet split. The 54 fell upon the ground and became dust. The greedy beggar had now 55 but his broken bag.
36. A. showing B. explaining C. proving D. wondering
37. A. relaxed B. satisfied C. worried D. depressed
38. A. learn B. watch C. eat D. play
39. A. street B. bridge C. yard D. forest
40. A. praise B. forgive C. help D. comfort
41. A. coat B. pocket C. box D. wallet
42. A. occasion B. suggestion C. situation D. condition
43. A. hand B. feet C. ground D. street
44. A. look out B. look after C. look up D. look down
45. A. small B. empty C. worn D. full
46. A. stand B. wait C. breathe D. think
47. A. stream B. piece C. pair D. variety
48. A. stop B. request C. fear D. insist
49. A. spread B. close C. loose D. shake
50. A. pour B. end C. dry D. melt
51. A. take B. add C. lend D. send
52. A. flow B. burst C. disappear D. change
53. A. attract B. permit C. include D. hold
54. A. present B. food C. treasure D. metal
55. A. nothing B. anything C. everything D. something
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