看图填空：

    Now it's twenty (1)________ four in the afternoon. I get (2)_________ from school. My sister Alice is doing

her (3)_________. My mother is (4)_________. She is always busy. My father is (5)_______ to my uncle. They

are very happy. There is a (6)_________ on the floor. It's (7)_________the table. There (8)________ any

flowers on the table. But the room is nice. Look! Who is the boy at the (9)__________? Oh, he is my brother

Tom. He is (10)__________ a book. It's a very happy family, isn't it?

我国家用电器使用的是（）

A、交流电

B、直流电