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【单选题】
下列关于神经纤维()的描述中,哪一项是错误的
A.
电刺激可以使其兴奋
B.
阈刺激可以引起动作电位
C.
动作电位是“无”的
D.
动作电位传导时幅度可逐渐减小
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参考答案:
举一反三
【简答题】中药调剂根据所调配中药的性质不同,可分为 和
【单选题】两种商品可以按一定比例相交换的原因,在于它们 ( )。
A.
有不同的使用价值
B.
都是具体劳动的产物
C.
对人们有共同的效应
D.
在生产中都耗费了一般的人类劳动
【简答题】For a long time, the Chinese trait of being hard-working has been observed in both Western books and Chinese literature and folklore. The Chinese were described by some Westerners as being without 1) ...
【判断题】以自由电子导电为主的半导体称为N型半导体。( )
A.
正确
B.
错误
【简答题】Passage 4 If a boy was born in China in 1995, he was born in the year of pig according to Chinese. The 12 Chinese zodiac include rats, ox, tigers, rabbits, dragons, snakes, horses, sheep, monkeys, roo...
【单选题】三月三是()族的传统节晶,
A.
白族
B.
苗族
C.
傣族
D.
回族
【单选题】What do we know about Madison Avenue in hard economic times?
A.
It becomes more thriving by advertising.
B.
It turns to advertising so as to survive.
C.
It helps spread the influence of advertising.
D.
It keeps being prosperous thanks to advertising.
【判断题】商品都具有使用价值,但有使用价值的物品未必是商品。
A.
正确
B.
错误
【简答题】A Just what is it about roller coasters ( 过山车 )? It seems we just can't get enough of them. This week we take a look at some of the top amusement parks and the roller coasters that have helped make t...
【简答题】根据所调配中药性质的不同,中药调剂可分为( )和( )
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