Test for Unit 7AListen and circle1Most of our energy comes from coal and oil.2We should protect the Earth.3Cars use a lot of energy.4We should reuse water because there is not much water on Earth.5We shouldn’t use too much plastic.(1 a2 b3 c4 a5 a) BListen and number1Smoke from cars and buses makes the air dirty.2We shouldn’t use too many plastic bags.3Is someone smoking? I can smell it.4Shh, don’t talk in the library.5Water is useful. We should reuse and save it.6Don’t cut down too many trees. It’s bad for the Earth.(a 5b 1c 6d 3e 4f 2) CListen and choose1A: What do you like doing, Mike?B: I like playing football.2A: What are you doing, Yang Ling?B: I’m making a card for Miss Li. Tomorrow is Teachers’ Day.3A: Happy Birthday, Billy. This notebook is for you.B: Thank you.4A: We should help protect the Earth. I go to school on foot every day. What about you, Nancy?B: I don’t use plastic bags.5A: Can we put the poster in the classroom?B: No. Let’s put it at the school gate.(1 a2 a3 b4 b5 c) DListen and write Trees are useful to birds and animals. Trees give them food and homes. Trees are useful to us. They give us wood. We use wood to make houses, paper and many other things. Trees give us fruit. Trees give us oxygen. They help keep the air clean. They protect us from sandstorms and floods. But we cut down too many trees. Many birds and animals lose th

Test for Unit 7AListen and circle1Most of our energy comes from coal and oil.2We should protect the Earth.3Cars use a lot of energy.4We should reuse water because there is not much water on Earth.5We shouldn’t use too much plastic.(1 a2 b3 c4 a5 a) BListen and number1Smoke from cars and buses makes the air dirty.2We shouldn’t use too many plastic bags.3Is someone smoking? I can smell it.4Shh, don’t talk in the library.5Water is useful. We should reuse and save it.6Don’t cut down too many trees. It’s bad for the Earth.(a 5b 1c 6d 3e 4f 2) CListen and choose1A: What do you like doing, Mike?B: I like playing football.2A: What are you doing, Yang Ling?B: I’m making a card for Miss Li. Tomorrow is Teachers’ Day.3A: Happy Birthday, Billy. This notebook is for you.B: Thank you.4A: We should help protect the Earth. I go to school on foot every day. What about you, Nancy?B: I don’t use plastic bags.5A: Can we put the poster in the classroom?B: No. Let’s put it at the school gate.(1 a2 a3 b4 b5 c) DListen and write Trees are useful to birds and animals. Trees give them food and homes. Trees are useful to us. They give us wood. We use wood to make houses, paper and many other things. Trees give us fruit. Trees give us oxygen. They help keep the air clean. They protect us from sandstorms and floods. But we cut down too many trees. Many birds and animals lose th