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1．What can the students do? ( )
| A．学生们正在做什么? | B．学生们会做什么? | C．学生们打算做什么? |
| A．I can climb the tree. | B．There is a tree. | C．I can't climb the tree. |
| A．但是她不会唱中文歌。 | B．但是她不会唱英文歌。 | C．但是她会唱歌。 |
| A．I can sing very well. | B．I can swim very well. | C．I can dance very well. |
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
