题目内容
2. You ought to (close) the windows.
2. close
A：Hi，Eric！Great news！
B:1
A;Plastic bags thinner than 0. 025 mm will not be used in the supermarket.
B: 2
A：It is good news because plastic bags are bad for the environment.
B: Oh,I didn't know that. 3
A：We can use cloth(布)bags instead of plastic ones.
B：4 A cloth bag can be used for a long time. 5
A;You can buy one in the supermarket. But I can give you one.
B：Thanks a lot.
1.
2.
3.
4.
5.
( ) 1.1 think people should stop trees， or the environment will become worse.
A. cut down
B. to cut down
C. cutting down
D. are cutting down
从方框中选出合适的单词并用 其适当形式填空。
period，rise，level，form，blanket
1. I think the greenhouse effect causes the of the oceans to rise.
2. The feels so soft. How much is it?
3. The temperature in the room has from 19 to 24°C.
4. The children a circle around their teacher and listened carefully.
5. Mike's father has been to Shanghai twice during this
2.1 can't understand this passage. Can you ____ (解释）it to me?
4. They are trying to s the message about saving the earth.
2. This is a nice house. It hasn't got a garden.(合为一个并列句）
This is a nice house， it hasn't got a garden.
1. 当我们不用电灯的时候我们应该关闭 它们。
We the lights when we aren't using them.
2. The maglev train has no (轮子).
