2. 外语
  3. It is believed that fear______. In Dr. Shumyatsky’s test, the knock-out mice______.

It is believed that fear______. In Dr. Shumyatsky’s test, the knock-out mice______.

admin2009-06-24  28
问题 It is believed that fear______.
In Dr. Shumyatsky’s test, the knock-out mice______.
选项 A、made the association between stimuli and behavior.
B、were affected by changes that result from lack of the gene.
C、could associate pleasant stimuli with certain behavior.
D、could not be conditioned to respond to certain stimuli.
答案D
解析
转载请注明原文地址:https://kaotiyun.com/show/X1Hd777K
本试题收录于： 公共英语五级笔试题库公共英语（PETS）分类
0

公共英语五级笔试

公共英语（PETS）

相关试题推荐
随机试题
最新回复(0)