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【单选题】
( )提出了智力层次结构理论。
A.
B.
吉尔福特
C.
斯皮尔曼
D.
弗农
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参考答案:
举一反三
【简答题】(14分)研究NO 2 、SO 2 、CO等大气污染气体的测量及处理具有重要意义。 (1)I 2 O 5 可使H 2 S、CO、HC1等氧化,常用于定量测定CO的含量。已知: 2I 2 (s) + 5O 2 (g)= 2I 2 O 5 (s)    △ H =-75.56 kJ·mol - 1 2CO(g) + O 2 (g)= 2CO 2 (g)   △ H =-566.0 kJ·mol - 1...
【单选题】Science and Technology There is a difference between science and technology._____(46) Science has to do with discovering the facts and relationships between observable phenomena in nature and with est...
A.
Another distinction between science and technology has to do with the progress in each.
B.
Unlike science, progress in technology must be measured in terms of the human factor.
C.
What scientists discover may shock or anger people-as did Darwin's theory of evolution.
D.
Science and technology are different.
E.
We are all familiar with the improper use of technology.
F.
Science is a method of answering theoretical questions; technology is a method of solving practical problems. 第 46 题 请选择(46)处的最佳答案.
【简答题】阅读理解。 Have you ever spoken or acted before the public? Have you got stage fright c怯场)? Many people have such an experience but they feel differently about it.  Some are just a little nervous,  others ...
【简答题】What significance do you think this stage have?
【判断题】在总账系统中,取消出纳凭证的签字既可有出纳员自己进行,也可以由会计主管进行 ( F )
A.
正确
B.
错误
【单选题】词义替换。 —What do you often do in your spare time ? —Play basketball.
A.
have nothing to do
B.
in your free time
C.
in your own time
D.
have no time
【单选题】假设检验中一般情况下
A.
只犯第一类错误 .
B.
只犯第二类错误 .
C.
两类错误都可能犯 .
D.
两类错误都不犯 .
【单选题】假设检验中一般情况下( ).
A.
只犯第一类错误
B.
犯第二类错误
C.
两类错误都可能犯
D.
两类错误都不犯
【单选题】假设检验中,一般情况下( )
A.
只犯第一类错误
B.
即可能犯第一类也可能犯第二类错误
C.
只犯第二类错误
D.
不犯第一类也不犯第二类错误
【多选题】大气中的NO和NO2常用的测定方法有()
A.
溶液电导法
B.
盐酸萘乙二胺分光光度法
C.
紫外荧光法
D.
化学发光法
E.
恒电流库仑滴定法
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