( ) (1)A. Beijing is beautiful.
B. Yes, Haian is bigger.
C. Beijing is.
( ) (2)A. Yes, it is.
B. That’s a good idea.
C. Yes, I do.
( ) (3)A. It’s five years old.
B. It’s five yuan.
C. There are five.
( ) (4)A. Yes, it does.
B. It’s warm.
C. It’s as hot as in Shanghai.
( ) (5)A. I’d like to see a play.
B. Yes, let’s go.
C. Let’s go to the zoo.
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