Learning process(学习过程)
Step1. Preparing lessons &self-study and exploring the problems
(预习自学，探究问题)
Finish the tasks in the first period in time.
Step2.Finishing plan & asking questions（完成学案，提出问题）
Report the answers to the class and the teacher.
Listen to the tape of the text and underline the new words in the text;
Learn the new words and phrases after the teacher . Ask for help if necessary.
Step3.Researching cooperatively& answering questions(合作探究, 解决问题)
Learn the usages of the following language points and answer some questions in groups.
1.But they betray themselves every time they open their mouths.(P29)
但是他们一张嘴就露出马脚（暴露自己的身份）。
