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1. Do you use chopsticks in China?
| A．I’m going to Amy’s house. 2. Can you jump far? | B．No, I am not. 3. Have you got a computer? | C．Yes, I do. 4. How many pencils are there? | D．No, I can’t. |
6. What are you going to do in summer? F. I’m watching TV.
7. Where are you going? G. There are four.
8. Are you going to swim? H. Yes, I have.
9.What are you doing? I. No, it can’ t.
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
