A B
( )1. Can I help you? A It's cloudy.
( )2. May I try on this jacket? B It's a blouse.
( )3. How's the weather today? C Thank you,
( )4. What's in the box? D Sure. Here you are.
( )5. Here you are E Please show me that shirt.
( )6. Where are my shoes? F Certainly.
( )7. Can I have a look at that raincoat? G Here they are.
( )8. What's that in English? H Oh, it's a dress.

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

