根据质子理论，下列水溶液中碱性最弱的是（）。 A．A B．B C．C D．D_爱下问搜题

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问题单项选择题

根据质子理论，下列水溶液中碱性最弱的是（）。

A．A

B．B

C．C

D．D

答案

参考答案：B

选择题

The boy wanted to ride his bike in the street, but his mother told him _____.

A. not to
B. not to do
C. not do it
D. do not to

选择题

The big earthquake is still on ________ clothing is needed ________ in the mountain village

A．A large number of…much

B．A great amount of…badly

C．A good many of…rather

D．A great deal…very