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My best friend is Tom. He is a ten years old boy. He was born(出生) in London, but now he lives in China. Tom has got two big eyes. He can speak Chinese and English. He likes playing football, watching TV and listening to music, but he doesn’t like swimming. Why? Because he is afraid (害怕)of water. What an interesting boy!
1．Tom is eleven years old.2．Tom comes from England.
3．Tom can speak English, but he can’t speak Chinese.
4．Tom likes watching TV.
5．Tom doesn’t like swimming because he is too young.
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
