Unit 6Keep our city cleanPeriod 1AListen and number1The black smoke from the factories makes the air dirty. 2Look at the smoke from the cars.3We should put rubbish in the bin.4The rubbish makes the river dirty.5Trees can help keep the air clean.(a 4b 2c 1d 3e 5) BRead and circle 1 dirty2 rubbish, messy3 keep, bin4 metro, air5 plant CChoose and complete 1 c2 b3 a4 d Period 2AThink and say 略 BListen and match1The smoke from factories makes the air dirty.2We can ride bikes to keep the streets clean.3There is a lot of rubbish in the river. The fish are dead.4We can plant more trees. Trees can help keep the air clean.(1 b2 a3 d4 c) CRead and complete 1 makes2 keep, take3 move4 factories5 walk DLook, read and complete 1 dirty, rubbish, dead, put, bin 2 makes, cars, factories, trees, walk ERead and choose 1 c2 a3 b4 c5 b Period 3ALook and say 略BListen and judgeSu Hai and Su Yang are playing in the park.SH:Su Yang, look at the man over there. He’s smoking.SY:He shouldn’t smoke in the park. There are some children in front of him.SH:Look at the woman beside him. She’s throwing orange skins on the ground.SY: She can’t do that. There’s a sign on the tree. It means we can’t litter here. The orange skins make the park messy and dirty. We should keep the park clean.SH:She can put her rubbish in the bin. It’s beside her. Let’s go and stop them.SY:OK.(1 T2 F3 F4 T5 F) CRead and choose 1 a2 b3 b4 a5 c DChoose and complete c, a, d, b ERead and judge 1 F2 T3 F4 F5 F Period 4AThink and say 略 BListen and choose1A: Danny, how do you go to school?B: I go to school by car. How about you, Jim?A: I wa

Unit 6Keep our city cleanPeriod 1AListen and number1The black smoke from the factories makes the air dirty. 2Look at the smoke from the cars.3We should put rubbish in the bin.4The rubbish makes the river dirty.5Trees can help keep the air clean.(a 4b 2c 1d 3e 5) BRead and circle 1 dirty2 rubbish, messy3 keep, bin4 metro, air5 plant CChoose and complete 1 c2 b3 a4 d Period 2AThink and say 略 BListen and match1The smoke from factories makes the air dirty.2We can ride bikes to keep the streets clean.3There is a lot of rubbish in the river. The fish are dead.4We can plant more trees. Trees can help keep the air clean.(1 b2 a3 d4 c) CRead and complete 1 makes2 keep, take3 move4 factories5 walk DLook, read and complete 1 dirty, rubbish, dead, put, bin 2 makes, cars, factories, trees, walk ERead and choose 1 c2 a3 b4 c5 b Period 3ALook and say 略BListen and judgeSu Hai and Su Yang are playing in the park.SH:Su Yang, look at the man over there. He’s smoking.SY:He shouldn’t smoke in the park. There are some children in front of him.SH:Look at the woman beside him. She’s throwing orange skins on the ground.SY: She can’t do that. There’s a sign on the tree. It means we can’t litter here. The orange skins make the park messy and dirty. We should keep the park clean.SH:She can put her rubbish in the bin. It’s beside her. Let’s go and stop them.SY:OK.(1 T2 F3 F4 T5 F) CRead and choose 1 a2 b3 b4 a5 c DChoose and complete c, a, d, b ERead and judge 1 F2 T3 F4 F5 F Period 4AThink and say 略 BListen and choose1A: Danny, how do you go to school?B: I go to school by car. How about you, Jim?A: I wa