John and the snowman are talking .
Snowman: Hello! How are you?
John: Yikes. You can talk ! What’s your name?
Snowman: I don’t _______I have a name .
John: Can you _______?
Snowman: I don’t know. I have never skated.
John: Do you want to ______? I can ______ you .Let’s go.
Snowman: Wow! This is fun . Can we skate always?
John: No. _______ is coming. Then comes _______and______.
Snowman:________ can’t we skate in spring ,summer and fall.
John:_____ it is _____. There is ____ ,but there is no ____ and no ___.
Snowman: And no _____.
John: Don’t ____. I can ____ 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