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【单选题】
最常见的突触方式是
A.
轴-树突触
B.
轴-体突触
C.
轴-轴突触
D.
树-树突触
E.
树-棘突触
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参考答案:
举一反三
【单选题】一个n×n的对称矩阵,如果以行或列为主序存入内存,则其容量为
A.
n*n
B.
n*n/2
C.
n*(n+1)/2
D.
(n+1)*(n+1)/2
【简答题】According to Piaget, thought or thinking has its origin in actions physically performed and then internalized. In other words, thought is ______ actions.
【判断题】MICE in China is declining due to its slower economic growth. ( )
A.
正确
B.
错误
【多选题】化学突触传递冲动时,以下哪几项是正确的
A.
突触前膜的 Ca 通道开放,Ca 由细胞外进入突触小体内
B.
突触小体内的突触素磷酸化,并与突触小泡解离,突触小泡与突触前膜融合
C.
突触小泡进入突触间隙
D.
与突触前膜融合的突触小泡通过出胞作用,释放内容物进入突触间隙
E.
突触后膜的受体与特异性神经递质结合,膜内离子通道开放导致离子流动,引起膜两侧电位发生变化,从而产生突触后电位
【简答题】(2求函数值2-1)设函数 , 则f(2)= .
【单选题】听力原文:W: I'd like to talk to someone about the T-shirt.It has shrunk to half its original size. M: Sorry,madam,we've had a lot of complaints about the T-shirts.Don't worry,you'll be paid total compensa...
A.
She'll get her money back from the shop.
B.
She can exchange the T-shirt for a larger one.
C.
She'll have to talk to the manager about it.
D.
She can complain to the Consumers' Association.
【单选题】The ill luck associated with 13 is supposed to have its origin in ______.
A.
legend
B.
religion
C.
popular belief
D.
certain customs
【单选题】一个 n × n 的对称矩阵,如果以行或列为主序放入内存,则容量为。
A.
n2
B.
n2/2
C.
n(n+1)/2
D.
(n+1)^2/2  (n+1的平方除以2)
【判断题】神经递质由突出前细胞前释放,通过受体作用于突出后细胞,引起突出后细胞发生反应。
A.
正确
B.
错误
【简答题】一个n×n的对称矩阵,如果以行或列为主序存入内存,则其容量为多少?
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