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

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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 本题应锁定文章最后一段。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，即指出了广泛使用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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