2. 外语
  3. The FDA is expected to require safety studies on e-cigarettes and______their use.

The FDA is expected to require safety studies on e-cigarettes and______their use.

admin2013-09-04  72
问题 The FDA is expected to require safety studies on e-cigarettes and______their use.
选项 A、regulate
B、recollect
C、rebound
D、rehearse
答案A
解析 该句意为：期望食品与药品管理局要求对电子香烟做安全性研究并监管其使用。regulate：调节，管理；recollect：回忆；rebound：反弹；rehearse：彩排，演练
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