2012年12月大学英语六级阅读专项练习题144 @. u' C2 q1 J 9 P- F: r- \/ H& ~: {. r
47．If the drug proves effective in human trials，it could enhance the effectiveness of existing AIDS drugs in___________________. 7 S" y! ]3 X9 h# A 48．What has become standard cocktail therapy? 考试用书 ( R! M7 i$ z& P7 I 49．While integrase deletes an immune cell’s genetic material and replaces it with its own，it acts like_____________in a word processor． & R4 R3 w; f Z! I% A1 ^
50．Why would anti-AIDS drugs stop working? 7 J7 g# G) q$ q4 \7 O( u3 K# Z
51．According to Steven Young，if scientists get the data that_______，they would petition for fast track status．
发表于 2012-8-14 10:30:44
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