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1．当你的妈妈告诉你，她给你买了你一直想要的平板电脑，你有点不敢相信你会说：( )
| A．Really? | B．OK. | C．Thank you very much! |
| A．That’s good. | B．I’m sorry. | C．Certainly! |
| A．Look! | B．Good! | C．Right! |
| A．I like playing football. |
| B．Badminton is my favourite sport. |
| C．Ping-pong is my favourite sport. |
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
