2. 外语
  3. ARVs haven’t been used widely to prevent HIV transmission or infection for lack of money. Widely using PrEPs may cause potentia

ARVs haven’t been used widely to prevent HIV transmission or infection for lack of money. Widely using PrEPs may cause potentia

admin2009-04-23  77
问题 ARVs haven’t been used widely to prevent HIV transmission or infection for lack of money.
Widely using PrEPs may cause potential problems like ethical issues and ________________.
选项
答案resistance
解析 本题定位信息是potential problems，从而锁定文章最后一段。该段第一句首先提到Piot， however，notes that if PrEPs prove effective，they will create a number of thorny ethical issues；该段中间又提到Resistance is a key issue with PrEP as well，指出了广泛使用PrEPs可能引起的另一个问题，故本题应填入 resistance。
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大学英语六级

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