Question

Have you ever imagined that you could be cloned(克隆) 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(反應).

  The   17  was carried out by scientists from the Advanced Cell Technology Inc(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 treatment 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 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  .

   Animal 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 traditional 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 a stage in which it was  34  a ball of cells. The  35 technology has been used to clone sheep , cattle and monkeys.

1. A. in failure        B. never            C. successfully     D. not

2.A. research       B. report           C. works            D. task

3.  A. made known   B. made         C. said                 D. had

4.A. a cloned       B. a man-made   C. a                    D. not a cloned

5.A. worker B. head         C. expert           D. assistant

6.A. save       B. rescue           C. cure         D. treat

7.  A. patients B. health           C. diseases     D. things

8.A. according to   B. including    C. besides      D. argued

9.A. countries  B. nations      C. peoples      D. states

10.A. for       B. against          C. researching for  D. praising

11. A. developing   B. building     C. inventing        D. discovering

12. A. a baby   B. a man    C. a woman      D. a white man

13.A. died      B. appeared C. turned up        D. was no more

14. A. questions    B. affairs      C. business     D. problems

15.A. egg       B. bless        C. meat         D. cell

16.A. Before    B. After        C. While            D. And

17.A. grow     B. die           C. change           D. grow up

18.A. And      B. But       C. However      D. Yet

19.A. yet      B. still     C. not          D. /

20. A. different        B. usual            C. ordinary         D. same

 

Answer 1

【答案】

 

1.C

2.A

3.A

4.D

5.C

6.A

7.C

8.A

9.D

10.B

11.A

12.A

13.B

14.D

15.A

16.B

17.A

18.B

19.B

20.D

【解析】略