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（ ）1. Where are you from?
| A．My name is Chen Jie. （ ）2. Good morning boys and girls. | B．Good morning, Mr Black. （ ）3. What’s your name? | C．See you! （ ）4. Nice to meet you. | D．Nice to meet you. too （ ）5. Goodbye! | E．I’m from Beijing. （ ）6. I’m sorry. | F．I’m fine. （ ）7. Who’s that woman? | G．It’s OK. |
（ ）9. How many pencils do you have? I. How do you do?
（ ）10 How are you? J. She is my mother.
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
