Teaching aims
（教学目的）
Let students learn the usage of the words and expressions in Warming up and Reading.
Teaching emphasis
（教学重点）
Enable students to grasp the usages of the words and expressions and some long complex sentences.
Teaching difficulties
（教学难点）
Get students to understand some differences of some similar words and phrases .
Teaching &learning procedures (教学与学习过程)
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)
1.Here was a chance for me to distinguish myself by inventing something merciful that would catch snakes but not harm them.(P20)这回我有机会来表现自己,我要发明某种东西,既可以把蛇捉住,而又不会伤害它们。
