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【多选题】
原始凭证应当具备的内容有（ ）。A.
凭证的名称、填制凭证的日期
B.
接受凭证者的单位印章 $_∷$
C.
接受凭证的单位全称
D.
经济业务内容、数量、单价和金额
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反馈参考答案：
举一反三
【单选题】If we ban SUVs because they are bad for the environment, eventually the government will ban all cars, so we should not ban SUVs.
A.
Hasty generalization
B.
Post hoc, ergo propter hoc
C.
bandwagon approach
D.
Non sequitur
【单选题】What is the author's attitude in this article?
A.
We should ban the fireworks in all states in US.
B.
Children can easily been injured in fireworks display.
C.
Americans should enjoy the freedom of using fireworks as much as they like.
D.
US government should not totally ban the firework market, but better regulate it.
【单选题】对一平行—连串反应 P 为目的产物,若活化能次序为: E2 ,为了目的产物的收率最大,则最佳操作温度序列为( )。
A.
先高后低
B.
先低后高
C.
高温操作
D.
低温操作
【单选题】对一平行-连串反应 ,P为目的产物,若活化能次序为:E 2
A.
先高后低
B.
先低后高
C.
高温操作
D.
低温操作
【简答题】Should We Ban the Dogs from the Cities? (1)有的人认为城市中应该禁止养狗。 (2)有的人认为不应该对此加以限制。 (3)我的看法。
【单选题】Which of the following does not seem to be an explanation of the great demand for college education in America?
A.
The parents have realized that higher education means a higher standard of living.
B.
A high-school education is not 'high' enough for most occupations.
C.
A great need has been developed for many varieties of specialists.
D.
High schools concentrate mainly on preparing students for colleges.
相关题目：
【单选题】对一平行-连串反应 ,P为目的产物,若活化能次序为:E 2
A.
先高后低
B.
先低后高
C.
高温操作
D.
低温操作
参考解析：
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