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问题 选择题

向20mL2mol/LAlCl3溶液中，加入30mLNaOH溶液，充分反应后，得0.78g沉淀，则NaOH溶液的物质的量浓度为[ ]

A．3mol/L

B．2mol/L

C．4mol/L

D．5mol/L

答案

答案：D

选择题

According to a study carried out by an American university, when you eat has ______ on your mood as ______ you eat.

A．much of as an effect; what

B．much of as an effect; which

C．as much of an effect; what

D．as much of an effect; which
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多项选择题

按照基金法律形式，证券投资基金可以划分为( )。

A．私募基金

B．公募基金

C．契约型基金

D．公司型基金
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