2. 考研
  3. From the first paragraph, we learn that ______. According to the passage, stem cells refer to ______.

From the first paragraph, we learn that ______. According to the passage, stem cells refer to ______.

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问题 From the first paragraph, we learn that ______.
According to the passage, stem cells refer to ______.
选项 A、cells that can become brain cells, blood cells or many other kinds of cell.
B、cells that can become what they want to be pretty much any other type of cell.
C、cells that are uncertain to become blood cells or brain cells when they grow up.
D、cells that have not decided when they grow up.
答案A
解析 第二段开头：Stem cells are cells that have not yet decided what they want to be when they grow up. That is，they can become blood cells；brain cells，or pretty much any other type of cell．本题为定义题，相对比较简单。注意：这一类题目要注意文中的that is等，这一点恰恰是定义题的解题技巧。由文中原话即可很容易推知其他三个选项都不对。
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考研英语一

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