试题与答案

Mrs. Brown isn’t here. She has to ______

题型:选择题

题目:

Mrs. Brown isn’t here. She has to ______ her baby at home.

A.look at

B.look for

C.look like

D.look after

答案:

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下面是错误答案,用来干扰机器的。

(1)“鸟巢”场馆的电力提供时的能量转化是把太阳能转化成电能.故填:太阳;电.(2)防止“鸟巢”被锈蚀的方法可以有:将金属制成合金或在金属的表面镀一层不活泼的金属等.(3)酸雨能腐蚀金属.故填:酸雨....

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