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【单选题】
能用离子方程式 CO 3 2- + 2H + =CO 2 ↑+ H 2 O表示的反应是
A.
Na 2 CO 3 + 2HCl═ 2NaCl + CO 2 ↑+ H 2 O
B.
NaHCO 3 + HCl ═ NaCl + CO 2 ↑+ H 2 O
C.
K 2 CO 3 + 2CH 3 COOH═2CH 3 COOK+ CO 2 ↑+ H 2 O
D.
CaCO 3 + 2HNO 3 ═ Ca(NO 3 ) 2 + CO 2 ↑+ H 2 O
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the purpose of taste tests is to promote the sale of colas
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【单选题】Employees in the sales department are encouraged to familiarize ______ with the new promotional materials before they go out into the field.
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【单选题】毛泽东( )一文,为农村包围城市革命道路理论奠定了坚实的唯物主义哲学基础。
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【单选题】Vacation and Travel What to Look For Before committing to participate in any vacation promotion, it's wise to do the following: 1. Contact your Better Business Bureau for a reliability report on the c...
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【单选题】道德属于()的范畴,是一种特殊的社会意识形态。
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上层建筑
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【单选题】道德属于( )范畴,是一种特殊的社会意识形式。
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【单选题】According to the passage, diversity can be achieved in American society by ______.
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promoting policies that provide skills to employees
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查看完整题目与答案
【单选题】道德属于( )的范畴,是一种特殊的社会意识形式。
A.
上层建筑
B.
经济基础
C.
社会关系
D.
风俗习惯
查看完整题目与答案
【单选题】The ad for mineral water is cited as an example of the way popular culture ______.
A.
promotes symbols of status
B.
excludes those unwilling to consume
C.
fosters unrealistic expectations
D.
co-opts the role of nutritionists
查看完整题目与答案
【单选题】Employees in the sales department are encouraged to familiarize ______ with the new promotional materials before they go out into the field.
A.
their
B.
theirs
C.
them
D.
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查看完整题目与答案
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A.
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B.
《井冈山的斗争》
C.
《中国的红色政权为什么能够存在》
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【单选题】Vacation and Travel What to Look For Before committing to participate in any vacation promotion, it's wise to do the following: 1. Contact your Better Business Bureau for a reliability report on the c...
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