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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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I had my first job at the age of thirteen, when a friend of my mother’s who owned a book shop 36 me for six hours a week to help her in the shop. I was very 37 to earn my own pocket money and my parents 38 interfered with how I spent it, even when I was spending it 39 . They believed that by earning money, spending it, and learning from the 40 , I would become more mature and 41 about how to handle work, relationships with others, and money.
Like many 42 parents, my parents also let me and my brothers do things over which they 43 a great deal. When I was sixteen, for example, after I finished high school and before I entered university, I wanted to spend the summer months traveling around 44 . My mother was against the idea of my traveling alone at such a young age, but my father felt that it would be a great 45 for me. In the end, my father won the 46 on the condition that I limited my traveling to France, my mother’s home, where I had many uncles, aunts and cousins 47 through the country who could 48 shelter and help if I needed them.
Three years later, my younger brother decided to 49 a year off after his first year in university and travel through the United States and the Caribbean. Again my mother was very worried and not 50 to see my brother leave school, but my father encouraged him and my brother had a(n) 51 year working his way on trains and ships to 52 passage to different ports and cities, and discovering many fascinating places and people.
These kinds of experiences are probably rare for children in many countries but in the US they are fairly 53 . Most parents start 54 their children at a young age to do small things by themselves. By the time they have finished high school, many American kids have already had part-time jobs, traveled around the US or other countries on their own, have 55 the university they plan to attend and maybe even decided on their future career, and so on.
36. A. taught B. allowed C. treated D. hired
37. A. anxious B. content C. proud D. hopeful
38. A. never B. ever C. always D. even
39. A. quickly B. foolishly C. seriously D. honestly
40. A. work B. mistakes C. others D. books
41. A. strict B. reasonable C. polite D. responsible
42. A. American B. Japanese C. Chinese D. British
43. A. helped B. supported C. shared D. worried
44. A. Asia B. Africa C. Europe D. Oceania
45. A. journey B. experience C. chance D. possibility
46. A. argument B. game C. discussion D. plan
47. A. send out B. give out C. carry out D. spread out
48. A. promise B. afford C. provide D. serve
49. A. leave B. make C. take D. prepare
50. A. angry B. eager C. sorry D. sad
51. A. unusual B. hard C. strange D. busy
52. A. accept B. earn C. find D. search
53. A. welcome B. fit C. necessary D. common
54. A. bringing B. forcing C. pushing D. protecting
55. A. selected B. admired C. afforded D. left
查看习题详情和答案>>I can’t swim because I have a strong fear of water. Look back 1. ________
my childhood experiences, I think that three reasons might 2. ________
explain the fear. The first reason is that I was not allow to go 3. ________
near the water when I was a child, for my mother had a 4. ________
unreasonable fear of it. So, even as a child that I was taught to 5. ________
see the water as something danger. Second, my eyes 6. ________
became bad when I was five. If I took off my glass in the 7. ________
water, I couldn’t see anything, or this increased my fear. 8. ________
The worst part of my experience is that as a child I saw 9. ________
a neighbor drowned. After then I have been more frightened. 10. ________
查看习题详情和答案>>Every country has its own dining customs. Americans feel that the first rule of being a __36__ guest is to be on time. If a person is invited to dinner at six thirty,the hostess __37__ him to be there at six thirty or __38__ a few minutes after. Because she usually does the cooking, she has to time the meal __39__ the hot rolls and the coffee and the meat can be at their best when the guests come. If they are late,the food will not be so __40__,and the hostess will be __41__.__42__ the guest cannot come on time, he should call his host or hostess on the phone, give the reason,and tell __43__ what time he can come. __44__the situations, guests sometimes bring a box of candy, a bottle of wine or a bunch of flowers to give to the hostess as a __45__ of appreciation.
As guests continue to arrive, it is usually considered polite for the __46__ in the group to __47__ when a woman enters the room and continue to stand until she is seated. __48__, most young people and some groups of elder people __49__ stress equality of the sexes no longer observe the custom. A visitor should be __50__to each situation and follow the lead of the Americans present.
When the guests sit down at a dinner table,it is a __51__ for the men to help the ladies by pushing their chairs under them. However,some Americans __52__ do this, so the visitors must notice what others do and do the __53__.__54__ the meal is under way and if the dinner is in a private home,a guest __55__ avoid embarrassment by leaving talk to someone else.
36.A.polite B.elegant C.honored D.serious
37.A.tells B.expects C.asks D.hopes
38.A.at most B.less than C.at least D.more than
39.A.in case B.as long as C.so that D.on condition that
40.A.tender B.nutritious C.good D.enough
41.A.angry B.nervous C.shameful D.disappointed
42.A.If B.Unless C.Whether D.Although
43.A.at B.in C.on D.about
44.A.Looking at B.Combined with C.Depending on D.Related to
45.A.matter B.heart C.sense D.sign
46.A.host B.men C.hostess D.women
47.A.smile B.stand C.applaud D.nod
48.A.As a result B.Moreover C.In addition D.However
49.A.whose B.what C.who D.which
50.A.aware B.similar C.active D.sensitive
51.A.custom B.regulation C.habit D.principle
52.A.even B.no longer C.still D.no more
53.A.following B.same C.deed D.example
54.A.Unless B.Until C.While D.After
55.A.shouldn't B.must C.needn't D.may
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短文改错(共10小题;每小题1分,满分10分)
以下标有题号的每一行均有一个错误,请找出,并按下列情况改正:
此行多一个词:把多余的词用斜线(\)划掉,在该行右边横线上写出该词,并也用斜线划掉;
此行缺一个词:在缺词处加一个漏字符号(∧),在该行右边横线上写出该加的词;
此行错一个词:在错的词下划一横线,在该行右边横线上写出改正后的词。
注意:请在答题卡上作答。
Dear Mr. Manager,
I’m writing to express my thank to you and your employee
________
Miss Li Hong who helped me found my handbag while I
________
was shopping in your shop in March 24.
________
That day I was greatly interesting and lost myself in enjoying
________
a beautiful product. After I paid a pair of silk socks, I
________
left my handbag on the counter. I have already walked out of ________
the shop then Miss Li came up with my handbag. I thanked ________
her and offered her a reward of 20 dollars and she refused to
________
take even a cent. I deeply moved by her spirit. Miss Li’s
________
good qualities are something I’ll always keep on in mind. ________
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