( ) (1) A. I like winter best. B. Yes, I do. C. Because it’s cold.
( ) (2) A. It’s cold and snowy. B. It’s cool and sunny. C. It’s very beautiful.
( ) (3) A. No, it isn’t. B. Yes, it does. C. Yes, it’s sunny.
( ) (4) A. We are watching TV. B. We flew kites.
C. I often go rowing and fishing.
( ) (5) A. Because I can make snowmen. B. Because I can catch insects.
C. Because I can go camping.
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