2. 外语
  3. ARVs haven’t been used widely to prevent HIV transmission or infection for lack of money. According to Ramjee, the combination

ARVs haven’t been used widely to prevent HIV transmission or infection for lack of money. According to Ramjee, the combination

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问题 ARVs haven’t been used widely to prevent HIV transmission or infection for lack of money.
According to Ramjee, the combination of ______ is possibly the most effective in preventing HIV virus from transmitting during intercourse.
选项
答案microbicides and ARVs
解析 本题定位信息是Ramjee和combination，从而将答案出处定位到文章第六段。该段最后两句提到防止HIV病毒传播的最有效的方式是将microbicides和ARVs结合使用。故本题应填入microbicides and ARVs。
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大学英语六级

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