DACB,
第一题;答案在第六段,由No-garbage(垃圾)Lunches以及Environment clubs ask students to bring their lunches in bags 可知,选择D
第二题,既然这些学生帮助美化他们的校园,那说明他们肯定在学校吃饭,故选择A
第三题;由On a
no-car day,nobody comes to school in a car-not the students and not the
teachers!可知,选C
第四题;有most parts of the world.many students help their schools make
less pollution(污染)可知,作者写这篇文章的用意肯定是B