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A: How do you do?
B: 1. ____________
A: Glad to meet you.
B: 2. ____________
A: 3. ____________
B: Yes, it's fun in the sun.
A: Let's play games.
B: 4. ____________
A: OK.
B: 5. ____________one, two! Run!
A: Come on! Run, run!
| A．Right, we can run a race. |
| B．How do you do? |
| C．Glad to meet you, too. |
| D．What a find day! |
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
