Mom: I'm coming! A
John: It's under my bed. It is
Mom: Don't worry! I can find it. Oh, it's not under the bed now. Let's
John: Oh! It's on the table! Now, it's in the desk! I can catch it.
Mom: Don't hurt it! Let's put it in the garden.1.
A.Where | B.There | C.What |
A.frog | B.fox | C.bird |
A.jumping | B.eat | C.sleep |
A.make | B.cook | C.look for |
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