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【简答题】
(2分)已知 Na 2 CO 3 ·10H 2 O(s)=Na 2 CO 3 (s)+10H 2 O(g)      Δ H 1 ='+532.36' kJ·mol -1 Na 2 CO 3 ·10H 2 O(s)=Na 2 CO 3 ·H 2 O(s)+9H 2 O(g)  Δ H 1 ='+473.63' kJ·mol -1 写出Na 2 CO 3 ·H 2 O脱水反应的热化学方程式____
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举一反三
【单选题】科学技术的快速发展使能源()。
A.
空间分布趋于平衡
B.
储童不断增加
C.
可利用的种类不断增加
D.
非可再生能源变为可再生能源
【简答题】A.He doesn't have any bread pudding. B.He doesn't have any salmon. C.He doesn't have any iced tea. D.He doesn't have any chicken soup.
【单选题】He has been up to his chin in his research. The underlined part means ______.
A.
very tired
B.
very efficient
C.
very busy
D.
very scared
【单选题】He is not a child _________.
A.
no more
B.
no longer
C.
any much
D.
any more
【单选题】大量的研究表明,客户满意度和客户忠诚度之间存在一定关系,如下说法中正确的是
A.
客户满意度和客户忠诚度是线性的关系
B.
客户满意度一定必然导致客户的忠诚
C.
客户忠诚度的获得必须有一个最低的客户满意度
D.
提高客户满意度和忠诚度,是指一定要提高所有客户的满意度和忠诚度
【多选题】大量的研究表明,客户满意度和客户忠诚度之间存在一定关系,如下说法中正确的是
A.
客户满意度和客户忠诚度是线性的关系
B.
客户满意度不一定必然导致客户的忠诚
C.
客户忠诚度的获得必须有一个最低的客户满意度
D.
客户满意度上升或下降都不会引起客户忠诚度的巨大变化
E.
提高客户满意度和忠诚度,是指一定要提高所有客户的满意度和忠诚度
【单选题】According to Dr. Chin, what makes it possible to track down any paper work is to ______.
A.
make all the imperfections of machines deliberate
B.
find out the guilty creator of the counterfeit document
C.
allow more imperfectly designed printers to be sold
D.
mark all the printers in a special and secret way
【简答题】对药学信息需求不断增加和依赖日益增强的人员是( )
【单选题】He _____in London for many years, but he has never regretted his final decision to move back to China.
A.
lived
B.
was living
C.
have lived
D.
had lived
【简答题】不断增加的学费
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