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3. 能流利的朗读课文。
四 教学难点：
1. 能听懂、会说、会读：What makes…dirty /messy? …makes…dirty / messy. What can we do to…? We can…
2. 能听懂、会说、会读、会写：keep, clean, make, dirty
五 教学准备：
挂图，卡片，PPT
教学设计（主备）
复备
Step 1 Warm up
Greetings
2. Free talk
T:Look at these pictures. It’s our city. It’s beautiful and clean.
Do you love our city?
Ss: Of course.
T:Let’s see some other pictures.How do you think of these pictures?
Ss: Our city sometimes is not clean.
T: So we should keep our city clean.
Topic：Unit 6 keep our city clean
T: What makes our city messy and dirty?
Step 2 Presentation and pratice
1.Watch and choose
The city is ________
A. beautiful and choose B. messy and dirty
Learn： messy, dirty
①T: The city is messy and dirty. What makes our city dirty?
Learn: One is the smoke,another is the rubbish.
②T: Now please open your books, read P58 and find
Learn： A: What makes our city dirty?
B: …makes…dirty
What makes our city dirty?