Ⅰ Ⅱ
( ) (1) Look at my skirt.
A.It’s a CD . ( ) (2) What colour is it. | B.Yes, please. ( ) (3) Are you Wang Bing? | C.Great. ( ) (4)Would you like a hot dog? D. No, I’m not. I’m Liu Tao. ( ) (5) What’s this? | D.It’s yellow. ( ) (6) It’s nice. | E.No, thank you. ( ) (7) What about a cake? | F.Thank you. |
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