47.If the drug proves effective in human trials,it could enhance the effectiveness of existing AIDS drugs in___________________.
48.What has become standard cocktail therapy?
49.While integrase deletes an immune cells genetic material and replaces it with its own,it acts like_____________in a word processor.
50.Why would anti-AIDS drugs stop working?
51.According to Steven Young,if scientists get the data that_______,they would petition for fast track status.
【英语六级考试精编阅读理解练习题(2)】相关文章:
最新
2016-10-18
2016-10-11
2016-10-11
2016-10-08
2016-09-30
2016-09-30