一、根据句意及首字母提示写单词或短语,补全句子。
1. We can write on two s of the paper.
2. Turn off the t when you brush teeth.
3. Hey! You need to e u your vegetables.
4. We should save b water and electricity in our daily life.
5. You should turn off the l before you leave the classroom.
6. Everyone can do some things to g g.

1. sides 2. tap 3. eat up 4. both
5. lights 6. go green

二、为下列句子选择合适的图片。
C.
()1. Mingming is a good boy. He eats up all the food on his plate.
()2. We should go green to keep our planet healthy and clean.
()3. Look! My grandma is using a cloth bag to buy vegetables in the supermarket.
()4. My home is not far from our school, so I walk to school every morning.
()5. Using both sides of the paper is really good. It can help us save a lot of trees.

1. A 2. E 3. B 4. C 5. D

三、阅读表格，判断下列句子正(T)误(F)。

()1. Keeping the tap on when we brush our teeth will waste a lot of water.
()2. We shouldn't use a cloth bag when we go shopping in the supermarket.
()3. Turning off the lights when we leave the room can help to save water.
()4. Both walking to school and taking the school bus can cut down air pollution.
()5. All the behaviours in the table(表格) can help us protect the Earth and make it a better place.

1. T 2. F 3. F 4. T 5. F