一、默写短语。
1. 参与

2. 知道这个活动

3. 保护地球

4. 节约用电

5. 刷牙

6. 吃光我们所有的食物

7. 步行去学校

8. 用布包

9. 在三月的最后一个星期六

10. 帮助我们的地球妈妈

1. take part 2. know this activity
3. take care of the Earth 4. save electricity 5. brush one's teeth 6. eat up all our food 7. walk to school
8. use a cloth bag 9. on the last Saturday of March 10. help our Mother Earth

二、默写句子或对话。
1. ——你会参与吗？ ——是的，我会。帮助地球将会是很棒的。


2. “地球一小时”(活动)在三月的最后一个星期六(举行)。

3. 它从晚上8:30持续到9:30。

4. 我将会节约纸张。我们应该使用纸张的两面。

1. — Will you take part? — Yes, I will. It'll be great to help the Earth.
2. Earth Hour is on the last Saturday of March. 3. It lasts from 8:30 to 9:30 in the evening. 4. I'll save paper. We should use both sides of the paper.

三、根据课文内容和首字母提示，补全短文。
Miss Li talks to her students about protecting the Earth. First, they talk about E H. It asks people to turn off l for an hour to save e. It is on the last Saturday of M from 8:30 p. m. to 9:30 p. m. All the students want to take part.
Then, the students share their green ideas: Su Hai will s w. She thinks people should turn off the t when brushing teeth. Liu Tao won't w f. He thinks people should always eat up all their food. Mike will s p. He thinks people should u both sides of the paper. Miss Li says these small things will help the Earth a lot, and asks everyone to work together to protect the Earth.

Earth Hour; lights; electricity; March; save water; tap; waste food; save paper; use