题目

下列化合物中，不能通过单质直接化合生成的是 ( ) A . FeCl2 B . Li2O C . FeCl3 D . Cu2S 答案：A用方框中所给短语的适当形式填空fall down；agree with；look like； over and over again；hundreds of【1】The little girl ______ from the bike and hurt herself.【2】People may get bored if they do simple work _____.【3】I guess that he may be Aunt Betty's son.He ____ Aunt Betty very much.【4】He predicted that the weather would become cold soon.And I _____ him.【5】_____ beautiful flowers are there to make the square more beautiful.