The second paragraph implies that testing for anabolic steroids-考呗网题库移动版
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A.is always accurate and reliable.   
B.is proved to be inaccurate.
C.may sometimes show inaccuracy.
D.has helped end doping in sport.

参考答案C
解析:

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A.None,one or two working copies of UGT28 17 call be found in different people.   
B.Test results would depend on numbers of working copies of UGT2B17.
C.Most Caucasians have no functional copies of UGT2B17.   
D.Most Asians have no functional copies of UGT2B17.

A.Because it is required by the Beijing Olympic Games Committee.
B.Because it may defend them against unfavorable testosterone test results.   
C.Because it is one of the ways to show“spirit of Olympianism”.
D.Because it will help them to perform better in the Olympic Games.



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