In most parts of the world, many students help their schools make less pollution．They join“environment(环境)club”．In an environment club, people work together to make our environment clean．
Here are some things students often do．
No-garbage(垃圾)lunches．How much do you throw away after lunch?Environment clubs ask students to bring their lunches in bags that can be used again．Every week they will choose the classes that make the least garbage and report them to the whole school!
No-car day．On a no-car day, nobody comes to school in a car-not the students nor the teachers!Cars give pollution to our air, so remember：
Walk, jump, bike or run．
Use your legs!It’s lots of fun!
Turn off the water!Did you know that some toilets can waste twenty to forty m3 of water an hour?In a year, that would fill a small river!In environment clubs, students mend those broken toilets．
We love our environment．Let’s work together to make it clean．
(1)
What is the aim(目的)of environment clubs?
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A．
They ask students to run to school every day．
B．
They ask students not to waste water．
C．
They ask students not to throw away lunch bags．
D．
They work together to keep the environment clean．
(2)
From the passage we know the students usually have lunch ________．
