think ice Because can teach take off put on Why
Danny: I want to 1.you to skate.
Li Ming: Thank you.
Danny: You need to2. your jacket and 3. your winter hat, scarf and coat.
Li Ming: 4.do I need to put on my winter hat, scarf and coat?
Danny: 5.it's cold outside.
Li Ming: OK.
Danny: Can you stand up on the 6.?
Li Ming: Yes, I 7..
Danny:Can you skate?
Li Ming: I 8. I can.
Danny: You learn fast, Li Ming.
Li Ming: Thank you, Danny.
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