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教学准备：白板课件
Teaching procedures：
Step1. Warm up
Free talk
Game time
T: Look , who is she? Guess, what did she do last Saturday?
Ss:Maybe…
T: Oh ,let’s look, she watched a film in the cinema. And she saw two signs in the cinema. Can you guess?
Ss:……
Step2.Presentation
1.T: Yes. It means No littering. We can’t throw rubbish here. (带读rubbish) Look, there’s a lot of rubbish right? How terrible! We can put the rubbish in the bin.
2.watch a video about the dolphin
T: We know Miss Li watched a film, it was about water pollution, people threw rubbish everywhere,so the dolphin was dead, many fish were dead too, what a pity.
Lead in
T: So what should we do?
Ss: We should……
T: Yes, we should keep the water clean, and we should keep our city clean, so today let’s learn unit6 keep our city clean.
Think and guess
T: After Miss Li saw a lot of rubbish in the cinema, she felt very sorry about this, so she is having a lesson, and let’s look at the picture, guess what questions are they talking about?
Ss: They are talking about……
Watch and answer: what questions are they talking about?
Read and tick
Read and say: What makes the city dirty and messy?
Underline and discuss
T: So pollution are harmful to our health. Read in groups and underline what can we do to keep our city clean?
Step3. Practice
Listen and repeat.
Reading time
Choose and retell
Step4：Consolidation