2. 外语
  3. ARVs haven’t been used widely to prevent HIV transmission or infection for lack of money. Both mother-to-child transmission and

ARVs haven’t been used widely to prevent HIV transmission or infection for lack of money. Both mother-to-child transmission and

admin2012-11-30  32
问题 ARVs haven’t been used widely to prevent HIV transmission or infection for lack of money.
Both mother-to-child transmission and partner-to-partner transmission can be prevented or protected effectively by drugs for ______.
选项
答案pre-exposure prophylaxis
解析 本题涉及到艾滋病的传播方式．从而将答案出处定位到文章第八段。该段第二句提到Drugs for pre-exposure prophylaxis... HIV have the same effect in protecting partners。由此可知本题应填入pre-exposure prophylaxis。
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大学英语六级

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