早产儿的胎龄应是（）。 A.>25周至 B.>26周至 C.>27周至 D.>28周

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问题单项选择题

早产儿的胎龄应是（）。

A.>25周至<37足周

B.>26周至<37足周

C.>27周至<38足周

D.>28周至<37足周

E.>28周至<38足周

答案

参考答案：D

操作题

根据图中电路图把电路连接起来。

单项选择题

Which of the following statements best expresses the main idea of the passage?

A.One’s physical appearance can influence our first impression.

B.Our first impression is influenced by the sensitivity of our brain.

C.Stereotypical impressions can be dead wrong.

D.We should adopt mature thinking when getting to know people.