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【判断题】
如果HCl溶液的浓度为HAc溶液浓度的2倍，那HCl溶液的H + 浓度一定是HAc溶液里H + 浓度的2倍。( )A.
正确
B.
错误
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举一反三
【单选题】---Why are you still here? It's so late. ---Because I my work. Don't worry. It's almost done.
A.
wasn't finishing
B.
wouldn't finish
C.
haven't finished
D.
won't finish
【单选题】Don't ______ today's work for tomorrow. Today's work must be done today. [ ]
A.
put up
B.
put out
C.
put off
D.
give up
【单选题】I wonder why you don’t do it as ______ and it’s the third time you have done so.
A.
told you
B.
be told
C.
told to
D.
you told
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