题目列表(包括答案和解析)
第二节 完形填空(共20小题,每小题1.5分,满分30分)
Have you 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 16 cloned for the first time has caused mixed reactions.
The 17 was carried out by scientists from the Advanced Cell Technology(ACT), in Massachusetts, US. The group 18 the news on November 25.
This is 19 human being. A clone is alive, it walks, it breathes, said Jamie Grifo, a(n) 20 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 21 someone’s life.”
Such research could lead to treatments for 22 such as heart disease, AIDS and even cancer, 23 scientists.
Despite high hopes from other scientists, the news raised concerns immediately from religious(宗教的) and political leaders. Several 24 in the US do not allow human cloning. President George W. Bush also made it clear that he is 25 any type of human cloning. However, the scientists at ACT said they have no interest at present in 26 an early embryo into 27 .
Animals have been cloned repeatedly since Dolly the sheep 28 in 1997. and there were no real technical 29 to stand in the way of scientists making a cloned human embryo.
This time the research group used tradition cloning technology with a human 30 .
31 it was given DNA from an adult cell, the egg began to 32 . 33
it was stopped from becoming a baby-at stage in which it was 34 a ball of cells.
The 35 technology has been used to clone sheep, cattle and monkeys.
16. A. in failure B. never C. successfully D. not
17. A. research B. report C. works D. task
18. A. made known B. made C. said D. had
19. A. a cloned B. a man-made C. a D. not a cloned
20. A. worker B. head C. expert D. assistant
21. A. save B. rescue C. cure D. treat
22. A. patients B. health C. diseases D. things
23. A. according to B. including C. besides D. argued
24. A. countries B. nations C. peoples D. states
25. A. for B. against C. researching for D. praising
26. A. developing B. building C. inventing D. discovering
27. A. a baby B. a man C. woman D. a white man
28. A. died B. appeared C. turned up D. was no more
29. A. questions B. affairs C. business D. problems
30. A. egg B. bless C. meat D. cell
31. A. Before B. After C. While D. And
32. A. grow B. die C. change D. grow up
33. A. And B. But C. However D. Yet
34. A. yet B. still C. not D. /
35. A. different B. usual C. ordinary D. same
15. --- Will you go home tomorrow evening ?
--- No, I’m going to a lecture, or at least I __________.
A. I’m planning so B. I’m planning to
C. I planned so D. I have planned to
14. --- Your sister seems to be in low spirits.
--- She failed in the exam yesterday.
--- __________ .
A. It doesn’t matter. B. I’ll see her today.
C. Best wishes! D. I’m sorry for her.
13. He _________ a new fashion to the clothing factory when he came back from Paris.
A. brought in B. brought up C. brought out D. brought about
12. ________ ought to be no trouble because he knew the answers.
A. It B. There C. He D. That
11. He likes music of this kind very much, _________ he and his wife often dance.
A. to which B. which C. and D. by it
10. The manufacturer (厂商)declared that this engine is ________ the previous one.
A. as twice powerful as B. powerful as twice as
C. twice powerful as D. twice as powerful as
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