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本课中四会及三会单词的正确读音。
3.能运用所学词句复述课文。
教学难点：
1.初步掌握句型What makes...dirty/messy?...make(s)...dirty/messy.以及What can we do to...?We can....
2.能运用所学词句复述课文。
教具准备：板书，PPT,光盘
教学过程：
Step 1 Warming up
1 enjoy some videos of the city(beautiful dirty)
2 Free talk
T: Where did you go last Sunday?
T: Where did you go for your National Day Holiday? Was it fun?
Ss: Yes, it was.
T: Did you go to Beijing / Shanghai?
S1: I went to Shanghai
S2: I went to Nanjing.
3T: I went to Suzhou last National Day Holiday
T: Look at these pictures. Suzhou is so beautiful.
But when people left, rubbish was everywhere.
We shouldn’t litter here and there. Rubbish makes the city dirty.
T: Now look at these pictures of Yixing.Is our city clean?
S1: No, it isn’t.
S2: There is some rubbish in the street.
S3:The river is dirty.
T:Our city is messy and dirty. 新授dirty和messy
Step 2 Presentation（story time）
1 What makes our city dirty? （make 使得）自读课文左半边，划出关键句
2 Let’s learn:
a新授smoke，smoke from cars.
What makes our city dirty? Smoke from cars makes the air dirty.