( )(1)A.Yes, it’s .
B. No, it’s not.
C. No, it’s white.
(2)A. It’s on the first floor.
B. It’s Ben’s.
C. It’s in the tree.
(3)A. I have eighteen.
B. There are eighteen.
C. There is one.
(4)A. No, you can’t.
B. Great.
C. Here’s your dress..
(5)A. It’s snowy.
B. It’s red.
C. No, it’s warm.
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