2. 外语
  3. The purpose of the experiments was to fund out how the clock works. The normal hamsters had a daily cycle of 24 hour, and the m

The purpose of the experiments was to fund out how the clock works. The normal hamsters had a daily cycle of 24 hour, and the m

admin2009-06-15  99
问题 The purpose of the experiments was to fund out how the clock works.
The normal hamsters had a daily cycle of 24 hour, and the mutants were on a 20- hour cycle.
选项 A、Right
B、Wrong
C、Not mentioned
答案A
解析 见第二段。
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