What is the text talking about? What is the most part of human body made off.

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问题 What is the text talking about?
What is the most part of human body made off.

选项 A、Blood.
B、Water.
C、We don’t know.

答案B

解析 本题很简单,问人体最多的是由什么组成的,文中说65%—75%的人体是由水组成的,因此选项肯定是水。
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