搜索
( )1. What do you ______? I need a new pen. ( A. like B. need )
( )2. What can Alice do? ____ can dance. ( A. He B. She )
( )3. What _____ is it? It’s summer. ( A. season B. weather )
( )4. I like ________ days. ( A. cloud B. cloudy)
( )5. ______ is the weather? ( A. What B. How )
( )6. Let’s go to the park. ____________. ( A. O.K. B. 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
