Teaching aims（教学目标）
一、理解掌握下列词汇：ask for, lend, park, direct, order, wonder, lead, trouble, offend, certain, structur e, hand in, make requests, depend on, on the oth er hand, in a way.
二、理解并掌握以下句型：
1. When you visit a foreign country, it is important to know how to ask for help politely.
2. We need to learn how to be polite when we ask for help.
3. The expressions they use might depend on whom they are speaking to or how well they know each other.
4. Sometimes we even need to spend time leading in to a request.
三、掌握不同文化下不同的询问技巧，学会在不同的环境下，使用合适的语言来礼貌地询问和准确地回答。
