自主学习方案
1.学生自学生词，并记住单词拼写和拼读。
2.预习课本，找出重点短语和句式。（见学案中预习检测的内容）
3.读记后完成预习检测作业。
课堂导学方案
Step 1 复习
回答：What do you say if you want to go to the bank and don't know the way?
Step 2 情景导入
T: When we ask for help, we must be polite. How do we ask for information politely?
Look at the two sentences, which do you think is more polite?
A: Where are the restrooms?
B: Could you tell me where the restrooms are?
环节说明：通过比较两种方式导入新课，直接明了。
