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【单选题】
阿托品属于A.
胆碱酯酶抑制药
B.
M受体阻断药
C.
a-β受体激动药
D.
a受体阻断药
E.
β受体阻断药
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【简答题】Now, with the price of solar power going down, the dawn of a new energy ___ is just around the corner.
【简答题】感到激动的,兴奋的 a.
【单选题】当神经纤维受到刺激产生兴奋时,下列说法正确的是
A.
受刺激部位的膜电位由外负内正变为外正内负
B.
感受器产生神经冲动由传出神经传至相应的神经中枢
C.
兴奋在同一个神经元上只能由轴突传到细胞体或树突
D.
在神经纤维上，兴奋的传导一般是双向的
【单选题】听力原文： For good or bad, computers are now part of our daily lives. With the price of a small home computer now being lower, experts predict that before long all schools and businesses and most families...
A.
Computers have become part of our daily lives.
B.
Computers have advantages as well as disadvantages.
C.
People have different attitudes to computers.
D.
More and more families will own computers.
【单选题】听力原文： For good or bad, computers are now part of our daily lives. With the price of a small home computer now being lower, experts predict that before long all schools and businesses and most families...
A.
Computers have become part of our daily lives.
B.
Computers have advantages as well as disadvantages.
C.
People have different attitudes to computers.
D.
More and more families will own computers.
【单选题】听力原文： For good or bad, computers are now part of our daily lives. With the price of a small home computer now being lower, experts predict that before long all schools and businesses and most families...
A.
Computers have become part of our daily lives.
B.
Computers have advantages as well as disadvantages.
C.
People have different attitudes to computers.
D.
More and more families will own computers.
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