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【简答题】
某碱样溶液以酚酞为指示剂,用标准HCL溶液滴定至终点时耗去V1ml,继以甲基橙为指示剂,又耗去HCL标准溶液V2ml,若V2小于V1,则此碱溶液可能是哪种类型的溶液?(强酸、强碱、强酸弱碱盐、强碱弱酸盐)举例说明
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参考答案:
举一反三
【判断题】一个数是9的倍数,这个数一定是3的倍数。
A.
正确
B.
错误
【单选题】In what way did Douglas change as a result of the trip?
A.
He developed more interest in people.
B.
He became more ambitious.
C.
He began to notice more things around him.
【判断题】如果一个数是9的倍数,这个数就一定是3的倍数
A.
正确
B.
错误
【判断题】一个数是9的倍数,这个数就一定是3的倍数。 [     ]
A.
正确
B.
错误
【单选题】According to the speaker, in what ways did Chinese students learn English?
A.
Chinese students practice their English by screaming it.
B.
Chinese students practice their English by laughing it.
C.
Chinese students practice their English by writing it.
【单选题】—What did you have __ _ dinner? —I had some Chinese rice. [     ]
A.
to
B.
with
C.
for
【单选题】According to the speaker, in what ways did Chinese students learn English?
A.
Chinese students practice their English by speaking it.
B.
Chinese students practice their English by screaming it.
【单选题】What did the campaign ask Chinese people to do?
A.
To visit more tourist attractions in Britain.
B.
To name British tourism landmarks in Chinese.
C.
To translate lots of English names into Chinese.
D.
To choose the best tourist attractions in Britain.
【简答题】第一章 基础知识2019-上机练习-题目.docx
【判断题】一个数是9的倍数,这个数也一定是3的倍数。
A.
正确
B.
错误
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