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【单选题】
下列关于反射的叙述,错误的是A.
是在中枢神经系统参与下，机体对刺激发生的规律性反应
B.
其结构基础是反射弧
C.
反射弧包括感受器，传入神经，神经中枢，穿出神经，效应器5部分
D.
只要神经中枢存在，刺激即可引起反射
E.
包括非条件反射和条件反射
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举一反三
【单选题】--_____ wonderful news report he wrote! --Yes, and I think it is well worth . [ ]
A.
How; to read
B.
What a; being read
C.
What; reading
D.
What a; reading
【简答题】从认识论和方法论方面看，科学知识的主要特征或本质属性是
【简答题】 This is such wonderful news! _______( 祝贺你)!
【单选题】_____wonderful news report he wrote! All of us are proud of him.
A.
What
B.
What a
C.
How
D.
How a
【单选题】--- What do you think of the good news ? --- Wonderful !．It makes us ____．Most of us were ____about it and _____ looks appeared on their faces．
A.
excited ; excited ; excited
B.
exciting ; exciting ; exciting
C.
excited ; excited ; exciting
D.
exciting ; excited ; excited
【单选题】—It is said that the scientists have found new ways to deal with AIDS. — wonderful news it is!
A.
How
B.
What an
C.
How a
D.
What
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