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  3. According to the passage, the attempt to eradicate the AIDS virus Which is NOT true about the study?

According to the passage, the attempt to eradicate the AIDS virus Which is NOT true about the study?

admin2009-06-15  79
问题 According to the passage, the attempt to eradicate the AIDS virus
Which is NOT true about the study?
选项 A、There are 20 patients involved in the study.
B、The patients have used several anti-HIV drugs.
C、The patients have been treated for up to 18 months.
D、16 patients did not go through the whole study.
答案D
解析 这是“是非判断”题，这类问题在解题过程中必须充分利用备选项的结构、句意和用词特点。本题中所给的备选项中出现了病人人数和时间，因此注意文章中涉及到病人人数和时间的句子，这样找到答案相关句：The study involves 20 people  (说明A正确：有20个人参与实验)who started combinations of anti-HIV drugs(说明B正确：在疾病早期阶段使用过集中抗HIV药品)very early in the course of the disease，within 90 days of their infections．They’ve been treated for up to 18 months  (说明C正确)Four others have dropped out  (该结构说“另外行四个人退出”，因此参加完整个实验的有16人，因此D错误)because of side effects or problems complying with the exacting drug system． drop out v．不参与，离去，放弃
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