问题
单项选择题
利多卡因一次的用量不应超过（）。
A.100mg
B.200mg
C.300mg
D.400mg
E.500mg
答案
参考答案：D
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利多卡因一次的用量不应超过（）。
A.100mg
B.200mg
C.300mg
D.400mg
E.500mg
参考答案：D
阅读下面短文，掌握其大意，从每题所给的A、B、C、D四个选项中，选出最佳选项。 Nowadays lots of students ask their parents for money to buy things they like. For me, to ask for money is like entering a(n) _36__. I learned this from 37 . Last year my mother told me that the _ 38 way I would get a driver’s license before I turned eighteen depended on _ 39 I paid for the classes myself. “What?” I asked in _ 40 . But I knew _ 41 that my reasoning would have no_ 42 on the situation, 43__ by the look on my mother’s face. Three weeks later, I started working _ 44 a hostess at a factory, twice a week. A month later I paid $ 270 for driving lessons, and then over $ 20 to _ 45 my permit test. My pockets were empty _ 46 as soon as they were filled. My mother thought that I’d be _ 47 to do things without her help. The funny thing was that even though I was totally _ 48 in the beginning, I truly appreciated it, _ 49 if I had just been handed bills from her. When I realized that my mother wasn’t going to _ 50 something like a driver’s license, at first, it seemed as if she had __51__ an immovable block before me and I would never _ 52 it. But my mother was __53 _. She knew that I wanted a luxury（奢侈品）but _ 54 me to get it. That is as _ 55 as this ---- if I really want it, I’ll find a way to get it myself.
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