(1)A. I’m ten.
B. I’m tired.
C. I’m tall.
(2)A. Here’s a cake for you.
B. Here’s a card for you.
C. Here’s a coat for you.
(3)A. What’s the matter?
B. What’s the time?
C. What’s your mother?
(4)A. Look at my shoes.
B. Look at my shorts.
C. Look at my sweater.
(5)A. It’s time to go to bed.
B. It’s time to go to school.
C. It’s time to go home.
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