Unit 7 EnviromentRita is taking part in a tree-planting campaign. She is making a poster to get people to join the campaign. Judy is helping her. Listen to them and complete the poster by putting one word in each space.New words:1. a tree-planting campaign2. poster3. reduce4. less noisy5. pure6. point7. produce8. else1 植树活动２海报３减少４不那么吵５纯净的，纯洁的６ 观点，要点７ 制造，生产８ 别的，其他的Eight reasons to help plant trees:1 Trees make streets more _____________.2 Trees make steets less _____________.3 Trees make our air ______________.4 Trees make our air _______________.5 Trees make _________ to keep us alive and _____________.6 Trees produce ________ things like _______ and ___________.7 Trees help us fight ___________.8 Trees are in ___________.beautifulnoisypurercooleroxygenhealthyusefulfruitpaperpollutiondangerJ:Hi, Rita. What are you doing?R:Hi, Judy. I’m just writing a poster about tree-planting.J:Oh, that’s interesting. Can I help you?R:Yes, please! Why should we plant trees? Can you give me some ideas?J:Well, trees are very beautiful.R:Yes. They make our streets more beautiful.J:And they help reduce the noise on our streets.R:That’s true. Trees make our streets less noisy. What else?J:Well, they help make the air pure.R:Good. Number 3. Trees make our air purer. J:And they make it cooler, too.R:Right. Trees make our air cooler.J:And don’t forget—trees make oxygen. We need that to breathe!R:That’s a good point. Number 5. Trees make oxygen to keep us alive and healthy.J:And we get things from trees, don’t we?R: You mean like fruit? J: Yes, and paper.R: Right. Trees produce useful things like fruit and paper. J: And they help us fight pollution.R: That’s important. Trees help us fight pollution. Anything else?J: Well, people cut down so many trees, so we need more trees.R: Yes. Trees are in danger. There , that’s eight reasons. Thanks for your help, Judy.J: You’re welcome.
