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  3. How do scientists know "Motherhood may make women smarter"? "It’s rat data but humans are mammals just like these animals are m

How do scientists know "Motherhood may make women smarter"? "It’s rat data but humans are mammals just like these animals are m

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问题 How do scientists know "Motherhood may make women smarter"?
"It’s rat data but humans are mammals just like these animals are mammals." What does the sentence suggest?
选项 A、The experiments on the rats have nothing to do with humans.
B、The experiments on the rats are very important for animals.
C、The experiments on the rats are much the same on humans.
D、The experiments on the rats are much the same on other animals.
答案C
解析 句意理解题。题干意为“It’s rat data but humans are mammals just like these animals are mammals. 这句话的意思是什么?”科学家通过用老鼠做实验来说明人的问题。因为人和老鼠都属于哺乳动物，很多生理机能都相同。所以本题的答案选C。
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