中枢兴奋药中，"作用于大脑皮层，不良反应可引起失眠，过量可致惊厥"属于（） A.咖啡 发布时间：2017-09-04 03:20 │ 来源：www.tikuol.com 题型：单项选择题 B1型题 问题： 中枢兴奋药中，"作用于大脑皮层，不良反应可引起失眠，过量可致惊厥"属于（）A.咖啡因B.苯二氮类C.尼可刹米（可拉明）D.山梗菜碱（洛贝林）E.吡拉西坦（脑复康）
题型：单项选择题 B1型题 给下列的问句选择正确的答语。( ) 1. How tall are you? ( ) 2. How big are your feet?( ) 3. How do you feel? ( ) 4. Does your father go to work?( ) 5. What's the matter with Tom?( ) 6. What did you do yesterday?( ) 7. Did you clean the room yesterday? ( ) 8. What's your friend's hobby?( ) 9. When are you going to the bookstore?( ) 10. How long is it? A. Yes, I did.B. No, he doesn't.C. I am bored. D. I wear size 18. E. His leg hurts. F. I am 170cm tall. G. I went to the park. H. It's 85cm. I. At three clock on Saturday afternoon.J. He likes collecting stamps. 查看答案
题型：单项选择题 B1型题 某元素的一个原子的质量为ag，一个12C原子的质量为bg，阿伏加德罗常数为NA，则该原子的相对原子质量数值可表示为（ ）A．12baB．12abC．aNAD．aNA 查看答案
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