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【单选题】
下表是某酸碱指示剂在不同的pH范围内显示的颜色: 颜色 红 橙 绿 蓝 紫 pH 范围 1~3 4~5 6~7 8~10 11~14 向滴有少量该指示剂的稀盐酸中,逐滴加入氢氧化钠溶液,出现的颜色变化是
A.
由紫色到红色       
B.
由无色到蓝色   
C.
由蓝色到绿色   
D.
由红色到蓝色
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参考答案:
举一反三
【单选题】He to church (教堂) on Sundays.
A.
go
B.
goes
C.
is giong
D.
gos
【单选题】《史记》中的“八书”都属于?
A.
书法史
B.
制度史
C.
图书史
D.
思想史
【单选题】票据的下列记载事项中,可以更改的有( )。
A.
收款人名称
B.
出票日期
C.
金额
D.
付款日期
【单选题】He to church (教堂) on Sundays.
A.
go
B.
went
C.
goes
D.
going
【简答题】Welcome to your favorite show-'Music Land' ! This month we are going to have some special shows on Bach, the Father of Music. Johann Sebastian Bach was born in Germany(德国)in 1685. During his life, Bac...
【多选题】票据的下列记载事项中,可以更改的有( )。
A.
收款人名称
B.
付款人名称
C.
金额
D.
付款日期
【简答题】阅读理解。 Welcome to your favorite show-'Music Land '! This month we are going to have some special shows on Bach, the Father of Music. Johann Sebastian Bach was born in Germany (德国) in 1685, During his l...
【单选题】票据的下列记载事项中,可以更改的有______。
A.
收款人名称
B.
付款人名称
C.
金额
D.
用途
【简答题】Jay, an American, wanted to write a book about famous churches (教堂)around the world. Firstly, Jay bought a plane ticket and took a trip to Columbus, Ohio, USA, thinking that he would start by working ...
【单选题】《史记》中的“八书”都属于?
A.
思想史
B.
制度史
C.
书法史
D.
图书史
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