情景交际。

1. 当别人向你说“I'm sorry.”时，你该怎样说？ [ ]

A. I'm sorry, too.

B. Thank you.

C. You're welcome.

2. 当别人问你现在几点时，你该怎样回答？[ ]

A. It's 12: 00 o'clock.

B. It's time for lunch.

C. It's February 2nd.

3. 假设你的朋友明天要去西安旅行，你该怎样对他说？[ ]

A. I want to go to Xi'an.

B. Have a good trip.

C. You're great.

4. 当你遇到困难，朋友对你说“May I help you?”时，你该怎样说？[ ]

A. Yes, you can help me.

B. No, I don't want you to help me.

C. Yes, please.

5. 如果你是百货公司的售货员，面对前来购物的顾客，你会怎样说呢？[ ]

A. Can I help you?

B. What do you want to buy?

C. Do you need to buy shoes?

简述安非他明毒品的鉴定。