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，从而锁定文章第六段。该段最后两句提到At best，microbicides may be 80% effective in preventing the transmission of the virus during intercourse．To improve the chances that the virus doesn’t slip by，however，there is always the possibility of combining the ARVs…。由此可知，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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