閱讀短文，選擇正確答案。
   "Did you know，"Randy's teacher asked，"that many of the things we throw away can be used again？Using old papers，cans，and bottles to make new things is called recycling.
   The class decided to set up their own recycling center.They made some big boxes，painted them and set them out near the school.Red boxes were for bottles and blue ones were for cans.Others were for newspapers.Students and their families put garbage in the boxes.When the boxes were full，trucks came and took the garbage to factories.There，it was used to make new bottles ，cans and newspapers.The factories even paid the class for the garbage.
（1）The writer mainly tells us that

B

B

.
A．old things should be kept well
B．many old things can be used to make new things
C．red boxes are for bottles and blue ones are for cans
D．garbage boxes should be set out near the school
（2）The underlined word"recycling"means

D

D

.
A．分類處理
B．收集歸類
C．綜合利用
D．回收再用
（3）Which of the following is true？

A

A

A．The class made some colour boxes for different kinds of garbage.
B．The class took the garbage to factories by themselves.
C．The class can reuse the garbage to make new things.
D．The class didn't get any money for this job.
（4）In which order did the following happen？

D

D

.
a.Painting the boxes
b.Setting up a class recycling center
c.Setting the boxes out near the school d.Making some big boxes
A．a(chǎn)-c-b-d
B．d-a-b-c
C．c-a-d-b
D．b-d-a-c
（5）From this passage we know

C

C

.
A．how the teacher taught the class
B．how the students painted the boxes
C．how the class recycle the old things
D．what the factories did with the garbage