1. 选C.从文章的第1句Waste can be seen everywhere in the school.就说明了在学校浪费现象随处可见,故选C.
2. 选B.在第2段中,Fresh water, oil, coal均有提及,但Forest没有提到。故选B.
3. 选D.由第2段的句子It is reported that we will have no coal or oil to use in 100 years.可知,在100年后,我们可能没有coal or oil to use.故答案选D.
4. 选A.短文的第2段第1句Waste can bring a lot of problems就告诉了我们答案,故选A.
5. 选A.在短文的第1段例举一些浪费现象,引出第2段Everybody should stop wasting as soon as possible. 所以Stop Wasting 为短文的最佳标题。