2. 外语
  3. The number of prematurely stopped clinical trials has increased recently. Some of the trials were too short to show their long-

The number of prematurely stopped clinical trials has increased recently. Some of the trials were too short to show their long-

admin2010-01-16  62
问题 The number of prematurely stopped clinical trials has increased recently.
Some of the trials were too short to show their long-term effects.
选项 A、Right
B、Wrong
C、Not mentioned
答案A
解析 短文的第七段说。通常～项新疗法是否长期具有益处或者是毒副作用要过若干年才能显现出来。
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