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| Name: Amy Age: 10 Class: 6 Grade: 4 Tel: 18806342452 Email address: laiwuamy@163.com Hobby: Playing the piano Favourite food: Rice and vegetables Favourite colour: Purple Favourite subject: Music | Name: Jack Age: 12 Class: 4 Grade:6 Tel: 17304537655 Email address: 2599736@qq.com Hobby: Playing basketball Favourite food: Hamburgers and fish Favourite colour: Blue Favourite subject: PE |
2．Amy’s hobby is playing the piano.
3．Jack’s favourite subject is PE.
4．Jack doesn’t like fish.
5．Amy and Jack are in the same class.
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
