( )1.
A. — It's hot today. Mum. Where's my new shirt?
It's over there.
B. — Peter! Put on your cap, please,—— Thanks, Mum,
A. — What's in the box? — Oh, it's a dress.
B. — Lisa, this is for you.
— Wow? a hat! How pretty!
( )3.
A. — Can I help you?
— Please show me that sweater.
B. — Can we look at those shorts? —— Here you are.
( )4.
A. — Mum, I like those pink shoes. How nice!
B. — Dad, Look at the blue shorts. They are cool.
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