一、根据中文提示，默写课文内容。
Every year, （许多国家的人们关灯一小时）.
This activity （告诉人们节约用电）. Earth Hour is on （三月的最后一个星期六）, from 8:30 to 9:30 in the evening. All the students want to take part in the activity.
Miss Li asks the students what they will do （来爱护地球）. Su Hai （将会节约用水）. She should （关掉水龙头）when she （刷牙）. Liu Tao won't （浪费食物）. He should always （吃光所有的食物）. Mike will （节约纸张）. He will （用纸的两面）. （这些小事）will help Mother Earth a lot.

1. people in many countries turn off their lights for an hour
2. tells people to save electricity
3. the last Saturday of March
4. to take care of the Earth
5. will save water
6. turn off the tap
7. brushes her teeth
8. waste food
9. eat up all the food
10. save paper
11. use both sides of the paper
12. These small things

二、如今电车正悄然替代燃油车，这不仅是交通工具的迭代，更是关于环保和生活方式的变革。 从括号内选择合适的单词补全短文。
We all want a clean and green (Earth/word). Electric cars are great friends of our planet. Electric cars do not make dirty smoke. The dirty smoke from gas cars is (good/bad) for the air and our health. Electric cars help (keep/keeping) the air fresh and clean, so we can breathe better and see the blue sky more often.
Electric cars are also very (quite/quiet). Gas cars make noise on the street, but electric cars run softly. This makes our city peaceful and nice (to/for) live in.
Let's choose electric cars, and do our best to make the world a greener, happier place!

1. Earth
2. bad
3. keep
4. quiet
5. to