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【单选题】
关于反射,下述哪项是错误的
A.
是机体在神经中枢参与下发生的反应
B.
可分为条件反射和非条件反射两种
C.
机体通过反射,对外界环境变化作出适应性反应
D.
没有大脑,就不能发生反射
E.
其结构基础是反射弧
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举一反三
【单选题】在银量法中要用到的基准物质是
A.
NaOH
B.
ZnO
C.
NaCl
D.
硼砂
【单选题】在银量法中要用到基准物质是
A.
Na2CO3
B.
邻苯二甲酸氢钾
C.
NaCl
D.
硼砂
E.
ZnO
【单选题】His conduct at the conference is regarded as being _____ unacceptable. [     ]
A.
notably
B.
firmly
C.
seriously
D.
totally
【单选题】在银量法中要用到基准物质是
A.
Na 2 CO 3
B.
邻苯二甲酸氢钾
C.
NaCl
D.
ZnO
【单选题】His conduct d her family.
A.
disconnect
B.
displease
C.
display
D.
divorce
【单选题】He has trouble understanding that otherpeople judge him by his conduct
A.
style
B.
behavior
C.
mode
D.
attitude
【单选题】His conduct s of no excuse.
A.
pure
B.
admit
C.
course
D.
ripe
【简答题】He had to justify himself for his conduct.
【单选题】在银量法中要用到的基准物质是()
A.
Na2CO3
B.
邻苯二甲酸氢钾
C.
NaCl
D.
硼砂
E.
ZnO
【单选题】He attempts to ---his conduct.
A.
justify
B.
intensify
C.
gratify
D.
simplify