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Hello. I'm Tingting. Look at my family photo. There are four people in my family. This is my father. He's a doctor. And he is very clever. This is my mother. She's a nice teacher. She teaches English. The pupils like her very much. This is my little brother. He's two. He's very cute and naughty. This is me. I'm a clever pupil.
1．There are three people in my family. （2．My father is a worker. （
3．My mother is an English teacher. （
4．My little brother is cool. （
5．I'm a clever pupil. （
同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
