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【单选题】
构建人类命运共同体既是中国外交的崇高目标,也是世界各国的共同责任和历史使命。关于共同努力构建人类命运共同体,下列说法中错误的是 。A.
坚持和平发展道路，推动建设新型国际关系
B.
深度参与全球治理，积极引导国际秩序变革方向
C.
不断完善外交布局，打造全球伙伴关系网络
D.
继续冷战思维和强权政治，大国要与大国结盟
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【简答题】制备肉桂酸时,往往出现焦油,它是怎样产生的?又是如何除去的? 5 、试描述制备对氨基苯磺酸的反应原理。
【单选题】Man is the only【B1】that laughs. Why is this true? What makes us respond as we do to pleasurable experiences? What is the history of this 'happy convulsion', as someone once【B2】it, and just what is its...
A.
beast
B.
animal
C.
creatures
D.
microorganism
【单选题】According to the man, why do modern books decay?
A.
They are often handled improperly by readers.
B.
The paper is destroyed by chemicals.
C.
The ink used in printing damages the paper.
D.
The glue used in the binding loses its strength.
【简答题】什么叫做平面汇交力系？
【单选题】---Do you think that Obama is honest and capable man? ---Yes. And that is why he was chosen president of America.
A.
a;a
B.
the; the
C.
an;/
D.
a;/
【简答题】制备肉桂酸时,往往出现焦油,它是怎样产生的?又是如何除去的?
【单选题】当三极管的基极电流Ib 由20微安增加到40微安时，相应的集电极电流Ic由1mA增加到2.2mA，则三极管的交流电流放大倍数β=（ ）?
A.
60
B.
1/60
C.
0.06
D.
6
【简答题】听下面一段对话，回答第1-3题。 1. Why do the students write to the man? A. They want his records. B. They want him to teach them. C. They hope to talk to him at school. 2. What's the man? A. A successful reporter. ...
【单选题】According to the man, why do the elderly not like using the computerized banking services?
A.
Because they feel it strange to use computers and don't want to ask for help.
B.
Because they can not deal with all me modern things by themselves.
C.
Because they don't trust computers or machines at all.
D.
Because they can not easily find someone to help them use computers.
相关题目：
【单选题】当三极管的基极电流Ib 由20微安增加到40微安时，相应的集电极电流Ic由1mA增加到2.2mA，则三极管的交流电流放大倍数β=（ ）?
A.
60
B.
1/60
C.
0.06
D.
6