问题
单项选择题
电流单位时间内所做的功是电()。
A、功率
B、功
C、压
D、流
答案
参考答案:A
电流单位时间内所做的功是电()。
A、功率
B、功
C、压
D、流
参考答案:A
Hi, boys and girls! Do you know 1 the house will be like in the future? Let’s listen to a prediction (预言) from a 2 . He says there will be 3 houses in the future. The houses 4 trees. The surface (表面) of the house is like a leaf. When the sun 5 , it can get sunlight (阳光). The sunlight can keep the house 6 . And it can help to make fresh 7 for the house too. The bottom (底部) of the house is 8 the land. It can 9 the soil (土壤) to keep the house strong. People won’t be afraid of the strong wind. Can this man’s prediction 10 ? No one knows.
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