皮皮学，免费搜题
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【单选题】
对于M型受体的叙述,下列哪一项是错误的A.
属于胆碱能受体
B.
能与毒蕈碱发生特异性结合
C.
存在于副交感神经节后纤维的效应器
D.
存在于神经肌肉接头的终板膜上
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参考解析：
知识点：
皮皮学刷刷变学霸
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【简答题】Massage Nice briskly into scalp for 50 seconds,and then comb 10 seconds.Your hair will look healthier,handsomer,stay neatly in place all day.
【单选题】Let's stop ______ and ______ a rest. [ ]
A.
to walk; have
B.
walking; has
C.
walking; have
D.
walking; having
【单选题】Which of the following is TRUE about the suggested walking program?
A.
Effective walking lies in the gradual increase of speed.
B.
The same pace should be kept throughout the walking.
C.
One should not stop suddenly while walking fast.
D.
One should change one's walking pattern every 5 minutes.
【单选题】_____in the street, his glass fell on the ground. A. When walking B. When walking C. When he was walking D. He was walking
A.
When walking
B.
When walked
C.
When he was walking
D.
He was walking
【简答题】briskly
【简答题】水准仪主要由 、 、 望远镜 组成。
【单选题】下图中A1和A2为某商品的供给曲线（P为价格，Q为数量），假设该商品需求曲线A3不变，当该商品供给曲线从A2左移到A1时，市场可能出现的情况有（） ①该商品供不应求，价格上涨 ②该商品供过于求，价格下跌 ③该商品的互补商品需求减少 ④该商品的替代商品需求减少
A.
①②
B.
①③
C.
③④
D.
②④
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