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【单选题】
An important point the author made in this passage is ______.A.
living together before marriage is significant every couple should try
B.
living together before marriage is a choice that should be respected
C.
living together is the best way to bridge the gaps between a couple
D.
living together is a symbol of the modern form. of civilization
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【判断题】An important point made by Novick is that it is so easy for people to face and recognize their own crimes.
A.
正确
B.
错误
【单选题】Perhaps the most ________ aspect of this computer is that it is so easy to use.
A.
striking
B.
permanent
C.
controversial
D.
formative
【单选题】用 NaOH 标准溶液滴定某一元弱酸 HA 时,若两者初始浓度相同,当滴至 50% 时,溶液的 pH = 4.00 ;滴至 100% 时,溶液的 pH = 8.00 。则该酸的 p K a y 为( )
A.
4.00
B.
6.00
C.
7.00
D.
8.00
【单选题】An important point made by Novick is that it is so easy for people to face and recognize their own crimes.
A.
True
B.
False
【简答题】离线编程与仿真技术为工业机器人的应用建立了哪些优势?
【单选题】某一元弱酸溶液,当用同浓度的NaOH标准溶液滴定至一半时,溶液的pH值为4.36,则该一元弱酸的pKa= ( )
A.
4.36
B.
5.36
C.
3.36
D.
7.00
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