We are going to talk about the environment of the class
2. Revision
Talk about the environment with the students.
What do you think of our environment?
3. The teaching of the new lesson
A. Unit 3 Make our world more beautiful
Lesson 9
The rivers are not clean now, why?
B. Part 1
Listen and do wb. Ex.1
C. Read and learn
Pour: pour some sugar into the glass
The rain is pouring down.
Waste: waste water, a waste of time
Write a story about it to …
Be afraid of …
D. Part 2
How long has Victor been in Greener China?
What has he done?
Read Dialogue 1 and answer
Teach: be a member of…
join: join the league= be a member of the league
join in the game, join in the activity
Ask and answer in pairs by using the words in the box
Conclude the use the present perfect tense
瞬间动词不能和表示过去某一时刻延续到现在的一段时间的词组连用
要进行转变，如：
open--- be opened; close--- be closed; begin--- be on; finish--- be over; join---be a member of\ be in…; die---be dead; get up---be up; come to…----be in…; arrive at\in…---be in…; reach\get to…---be in…; leave---be away; sleep---be asleep; buy--- have; borrow---keep; catch a cold---have a cold