一、阅读短文,选择正确的答案。
Our environment is important to us. What should we do to protect it?
Don't waste things. We should use things up. Don't throw away the paper when we only use one side(面). We should use two sides of the paper. We don't always need to have new things. If your shoes are broken, repair them, please. Think it over before you buy something new.
If you want to make a butter sandwich, but there is no butter, you can have a cheese sandwich. In this way, you can use your cheese up.
()1. When we use paper, we should ______.
A. use one side
B. use two sides
C. waste it
()2. If your shoes are broken, ______.
A. repair them
B. throw them away
C. buy a new pair
()3. We should ______ before we buy something new.
A. think it over
B. ask our teachers
C. ask our parents
()4. You can have a ______ instead of(代替) a butter sandwich if you only have some cheese.
A. pear sandwich
B. hot dog
C. cheese sandwich
()5. The passage(文章) mainly tells us how to ______.
A. buy things
B. cook dinner
C. protect our environment

二、阅读短文,完成下列各题。
There are some easy things you can do to protect the environment.
· Plant trees, grass and flowers.
· Whenever you visit a park or beach, take away what you bring there-keep rubbish in a bag until you can put it in a bin.
· Turn off the lights and TVs when you leave the room.
· Turn off the tap(水龙头) when you brush your teeth. You can save some water.
· Don't pour dirty water into the rivers or the lakes nearby.
If everyone makes a contribution(贡献) to protecting the environment, the world will become much more beautiful.
(一)根据短文内容,选择正确答案。
()1. The article(文章) is ______.
A. a sign
B. a proposal(提议)
C. a story
()2. The writer tells us ______.
A. to throw rubbish into a bin
B. to pour dirty water into the lake
C. to turn on the tap when brushing teeth
()3. We should not keep the lights ______ when we leave the room.
A. off
B. in
C. on
()4. The main idea of this article is how to ______.
A. save trees
B. save water
C. protect the environment
(二)根据常识回答问题。
Know more: World Environment Day is on 1. , and Earth Day is on 22nd April. These days tell us that we should 2. .