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问题 单项选择题 A1/A2型题

在生物体内，mRNA约占细胞总RNA的（）

A.2%～5%

B.8%～10%

C.10%～13%

D.11%～15%

E.12％～15%

答案

参考答案：A

单项选择题

A pregnant client who is diabetic is at risk for having a large-for-gestational-age infant because of which of the following

A. Excess sugar causing reduced placental functioning.
B. Insulin acting as a growth hormone on the fetus.
C. Maternal dietary intake of high calories.
D. Excess insulin reducing placental functionin
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单项选择题

哑剧是以肢体代替（）来变现和展示情节画面的。

A、动作

B、歌舞

C、语言

D、念白
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