旅游需求和旅游供给之间联系的焦点是（）。
参考答案：旅游产品
选择正确的答语。
1. Fengfeng: Are you a student?
Lingling: ____________[ ]
A. Yes, I'm a student.
B. No, I'm Chinese.
2. Li Ming: What's this?
Fengfeng: ___________[ ]
A. Thank you.
B. It's a book.
3. Li Ming: How are you?
A. I'm hungry.
B. I'm a boy.
ADC288系列机器激光歪斜可通过手动调整来排除。
