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【简答题】
为标定HCl标准溶液的浓度,称取基准物质Na 2 CO 3 0.1520g,滴定时用去HCl标准溶液25.20 mL,求HCl标准溶液的浓度?
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皮皮学刷刷变学霸
举一反三
【单选题】As the saying goes, "Where there is a will, there is a way. " People who want to make things better can do so if only they are strongly________.
A.
tremendous
B.
striking
C.
contemporary
D.
motivated
【单选题】The negative thought "I'm not a great public speaker." should not be transformed into the positive thought like "No one is perfect, but I'm getting better with each speech I give."
A.
√
B.
╳
【单选题】How many linkings should be used when speaking "Better is a neighbour that is near than a brother far off." in a native manner?
A.
3
B.
4
C.
5
D.
6
【单选题】Which of the following is a better translation for the sentence "The device is shown schematically in Fig.2."?
A.
这种装置简要地显示在图2中。
B.
图2是这种装置的简图。
【简答题】"He is angry. So we ______ better be careful." she said. A) should B) would C) might D) had
【简答题】As the saying goes, "Where there is a will, there is a way." People who want to make things better can do so if only they are strongly _________________.
【简答题】"______" is a better option than "dog " when we refer to the excretion of dogs.
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