Lesson 2 Extreme Sports学案

教学目标：1. to learn some new words.
2. to know something about the extreme sports.
3. to train students listening ability and develop their ability to capture the main information of a        listening material.
重难点 1. back out     preference    various turn up 等短语的用法
        2. the listening material
教学过程 备注
step1: learn the new words
1.in order to / so as to / in order that
(1). he got up early in order to / so as to catch the first bus.
(2). he got up early so that he could catch the first bus.
(3). (in order) to catch the first bus, he got up early.
2. similarity (n) /similarly (adv) /similar (adj)
(1).be similar in 在某方面不同     be similar to 和 ….类似
the twins are similar in chara