2. 外语
  3. The number of prematurely stopped clinical trials has increased recently. The trials were stopped early because the treatments

The number of prematurely stopped clinical trials has increased recently. The trials were stopped early because the treatments

admin2010-01-16  85
问题 The number of prematurely stopped clinical trials has increased recently.
The trials were stopped early because the treatments proved to be of no value.
选项 A、Right
B、Wrong
C、Not mentioned
答案B
解析 短文的第二段说，这些实验被提前停止是因为它们显现出了一些有益于病人的长处。
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