搜索
Chen Jie: I usually clean the room and read books. Sometimes I play ping-pong with my dad. I like to play ping-pong. But not this weekend.
Mike: Why?
Chen Jie: Because my dad is going to Kunming this weekend.
Wu Yifan: I often play computer games and play the violin on the weekend. But I don't like playing the violin. And this weekend I needn't play the violin.
Chen Jie: Why?
Wu Yifan: Because my violin teacher in ill. And I'm free this weekend.
Mike: That's fun. Why don't we go hiking together? The weather report says it'll be fine this weekend.
Wu Yifan and Chen Jie: That's a good idea.
1．Chen Jie usually plays ping-pong
2．Chen Jie likes playing ping-pong.
3．Mike often plays computer games and plays the piano.
4．Wu Yifan doesn't like to play the violin.
5．They are going hiking together this weekend.
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
