一、刘涛和刘浩在环境保护和科技发展等方面表达了他们的想法,请你根据中文及首字母提示补全他们的描述。
1. We shouldn't t(扔)rubbish on the ground.
2. We can j(加入)the cleaning group.
3. Please t o(关掉)the lights when you leave the classroom.
4. We can r(再循环利用)old things to make new ones.
5. In the past, I w(写)letters to my friends. Now I often c(聊天)with them on the internet. Technology changes my life.

1. throw 2. join 3. turn off 4. recycle 5. wrote; chat

二、刘涛和刘浩正在阅读环保海报，请你将下列行动与海报内容匹配。

()1. Lily didn’t throw the plastic bottle away. She cleaned it and put some pencils in it.
()2. Ben had a lot of crayons. So he didn’t buy new crayons before he used them up(用完).
()3. Sam put plastic bottles into the blue bin. He put leftovers into the green bin.
()4. Alice turned off the TV and the light before she left home.

1. B 2. D 3. C 4. A

三、新素材 刘涛和刘浩收到了“校园绿色行动”的邀请函，请你阅读邀请函，选择正确的答案。

()1. When is the activity?
A. On 22nd April.
B. On 25th March.
C. On 12th March.
()2. Where will the activity be?
A. In the classroom.
B. In the school garden.
C. In the park.
()3. What can you learn in the activity?
A. To save electricity.
B. To recycle paper.
C. To plant trees.
()4. What should you bring?
A. Old things.
B. Gloves.
C. New boxes.
()5. How long will it last?
A. One hour.
B. Half an hour.
C. Two hours.

1. B 2. A 3. A 4. A 5. A