问题
单项选择题 A1型题
硫喷妥钠用于分娩很少出现新生儿睡眠是因为（）
A.胎盘移行速度快
B.胎儿脑内浓度低
C.胎儿血内浓度低
D.母体血内浓度低
E.分解代谢快
答案
参考答案：B
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硫喷妥钠用于分娩很少出现新生儿睡眠是因为（）
A.胎盘移行速度快
B.胎儿脑内浓度低
C.胎儿血内浓度低
D.母体血内浓度低
E.分解代谢快
参考答案：B
Human beings may be the most intelligent animal species, but most of us are not too sure what we mean when we talk about intelligence. One moment we all use the word to __1__ someone who knows the answer to a difficult questions, and the next we will say that someone is __2__ because they have made a lot of money. Intelligence is the ability to __3__ new approaches to solve problems, as __4__ to doing things out of habit or conditioning. Rats in a maze (迷宫) can learn __5__ the mistake that they made, but this isn’t really intelligence. A good example of intelligence is the way to learn a language isn’t directly __6__ to intelligence. As children, we are all programmed to learn to speak and it is not the __7__ that intelligent children always speak at a younger age. But as we grow older, intelligent people have an advantage because they will find ways of making the most of the __10__ they have.
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