
Mike: Let’s __________ some pictures here.
Tim: ________ idea!

Mike: What can you see over there?
Tim: I can see a ________ and some __________.
Mike: Can you draw __________ ?
Tim: Sure. It’s ____________.

Tim: This is the ________ and __________ are the __________.
Mike: Well done.

Mike: Can you see the _________ on the river?
Tim: Yes.
Mike: Can you ________ it?
Tim: It’s ___________ , but I can __________ .
Mike: Is this a boat ?

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

