Unit ReviewSave Our WorldUnit 8Building Your Vocabulary. Fill in the blanks with the words from this unit. The first letter is given. 1. A: What does r_mean?B: It means “garbage”. 2. Please talk slowly. I cannot f_you. 3. Smoke and gas p_the air. 4. We should value time, not w_it. 5. Many students in environment clubs try to make less p_. ubbish ollowolluteasteollution. Fill in the blanks with the correct forms of the phrases in the box. 1. We should _the garbage in the schoolyard and put it into the garbage bin. 2. The garbage bag is full. How much did you _ after lunch?3. _70 percent of the earth is covered by water. throw awayturn. . . offpick up neither. . . nor. . . more thanpick up throw away More than 4. Dont leave the lights on. Please _them_. 5. _Hebei Province _Jilin Province is in the south of China. throw awayturn. . . offpick up neither. . . nor. . . more thanturn off Neither norRewrite the sentences using “it”.Example：We went to Beijing. We left at 8 oclock and arrived at 12 oclock. It took us four hours to travel to Beijing. 1. We should finish the project in an hour. It is hard. Grammar in UseIt is hard for us to finish the project in an hour. 2. We will go to the schoolyard to play. It will be fun. 3. People often waste paper. It is not right. 4. We should protect the environment. It is our duty.It will be fun for us to go to the schoolyard to play.It is not right for people to waste paper often.It is our duty to protect the environment. Listening and Speaking. Listen to the passage and tick the correct answers.1. Where were Li Ming, Wang Mei and Li Lin?They were by the river. They were at the school. 2. Who collected the most garbage?Li Ming. Wang Mei. 3. What did they find in the garbage?A toy bike. A toy truck. Li Ming, Wang Mei and Li Lin took a walk along the river. They saw a lot of garbage. They got three plastic bags and began to pick up the rubbish. In the end, Li Ming collected the most and Wang Mei the least. But Wang Mei was very happy because she found a toy truck. It was only a little bit broken. They fixed it so it could run again. “Its not right to waste things. A lot of them can be reused,” Li Ming said. Complete the following dialogue.Jenny is sorting the garbage. She needs some help. Jenny: Hi Danny! Come here. Danny: Im coming. Whats the matter?Jenny：_Danny: Of course. _Jenny: I want you to help me sort the garbage. Danny: No problem. Can you help me?Whats wrong?Jenny: Ill put these plastic bottles in this bag. And you put the waste paper in that bag. Danny: OK. Jenny: Thats done. _Danny: With pleasure. Could/ Can you help me take the garbage out?. Read the passage and answer the questions.Driving in RubbishDanny has been working all afternoon. First he fixed the broken car he found. Then he washed the glue off his hands, face and legs. Now he looks at the other garbage for recycling. “There are a lot of interesting things here, ” he says to himself. “I think Ill make something out of this garbage!”Putting It All TogetherDanny sees a very big cardboard box. “Somebody bought a new television,” he says, “and they threw out this box. Its so big that I can fit inside it! Maybe I can make something with this. ”He looks for other things to use. He finds five big, round pieces of plastic. They are the lids from ice cream pails. “I know,” says Danny. “I will make a car. This cardboard box will be the cars body. These ice cream lids will be the wheels. ”Danny glues four wheels onto the cardboard box. “Hmm. . . I have one more lid. I know! It will be the steering wheel. I can hold onto it and drive the car. ”Danny finds many other things for the car. He uses old metal cans for the headlights of the car. He finds pieces of wood to sit on. Finally Danny phones Jenny and Brian. “Come over to my house,” he says. “Ill take you for a ride in my new car!”1. What does Danny use the cardboard for?2. What does Danny use the lids of the ice cream pails for?3. What does Danny use for the headlights of the car?He uses the cardboard for the cars body. He uses the lids of the ice cream pails for the cars wheels.He uses old metal cans for the headlights of the car. My Citys Future!Does your city have pollution problems? If it does, think about ways to reduce pollution. Make a plan about how to save your city. If it doesnt, think about how to make your city more beautiful. Write a letter to the government describing your plan. There is much pollution in my city. How can we reduce pollution? First, we should take our own bags instead of using plastic bags when we go shopping. Second, we shouldnt throw away rubbish anywhere. At last, we had better go to school or work on foot or by bike. I think these ways can help save our city. Find more examples from this unit. Then mark your stars. Talking about Cause, Effect and PurposeI think its our duty to protect the environment. _ _ I can express cause, effect and purpose in English. Self-EvaluationIts not too hard to protect the environment.We should respect the earth and all the living things on it. Using “it”He took it home, cleaned it and fixed it._I know how to use “it”. On Tuesday, it was World Environment Day.Some hazardous waste is poisonit makes people sick.My bike wheel just broke. My old pants have a tear. My shoes have a hole. I need something new for my hair!Fix and MendGroup AMy cassette deck has a buzz. My backpack doesnt fit!I must go and get new things. Or I might have a fit!Well now, I have news for you. I know exactly what to do. Listen carefully,And you will soon agree. Group BYou dont just go and buy. You first need to go and try, To fix and mend and reuse again. Or the garbage will touch the sky!