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【单选题】
某碱样为NaOH和Na 2 CO 3 混合溶液,用HCl标准溶液滴定,先以酚酞作指示剂,耗去HCl溶液V 1 ,继以甲基红为指示剂,又耗去HCl溶液V 2 ,V 1 与V 2 的关系是( )
A.
V 1 = V 2
B.
V 1 = 2V 2
C.
2V 1 = V 2
D.
V 1 > V 2
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举一反三
【单选题】白板说的提出者是( )。
A.
洛克
B.
卢梭
C.
杜威
D.
蒙台梭利
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【单选题】Which of the following can be inferred from the passage?
A.
American manufacturing has always been in the leading position.
B.
Students have to command the knowledge in order to pass the test.
C.
America has figured out the ways of other countries to develop education.
D.
Gateway tests should be standardized for America to use.
查看完整题目与答案
【判断题】白板说的提出者是洛克。
A.
正确
B.
错误
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【单选题】“白板说”的提出者是？
A.
休谟
B.
洛克
C.
笛卡尔
D.
康德
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【单选题】market where no single buyer or seller can influence the price is
A.
a buyer's market
B.
a seller's market
C.
a competitive market
D.
American market
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【判断题】要复制数据库文件必须停止SQL Server服务。
A.
正确
B.
错误
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【判断题】白板说的提出者是洛克。
A.
正确
B.
错误
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【单选题】Paragraph 2 indicates that______.
A.
most of man's employment is from fishing
B.
man can always turn to fishing for employment
C.
forty percent of Chileans live on fishing boats or ships
D.
fishing has been the biggest industry in Newfoundland
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【单选题】“白板说”的提出者是
A.
卢梭
B.
康德
C.
夸美纽斯
D.
洛克
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【多选题】What determines the quantity of a good a seller can supply?
A.
price
B.
input price
C.
technology
D.
expectation determine the seller's supply of a good.
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【单选题】白板说的提出者是( )。
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B.
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【单选题】Which of the following can be inferred from the passage?
A.
American manufacturing has always been in the leading position.
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A.
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查看完整题目与答案
【单选题】Paragraph 2 indicates that______.
A.
most of man's employment is from fishing
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man can always turn to fishing for employment
C.
forty percent of Chileans live on fishing boats or ships
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查看完整题目与答案
【单选题】“白板说”的提出者是
A.
卢梭
B.
康德
C.
夸美纽斯
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查看完整题目与答案
【多选题】What determines the quantity of a good a seller can supply?
A.
price
B.
input price
C.
technology
D.
expectation determine the seller's supply of a good.
查看完整题目与答案