问答题
1.目前有些校园内浪费现象严重 2.浪费的危害 3.从我做起,杜绝浪费
A.fatigue B.confusion C.duty D.puzzle
A. he is looking at the cuts on a computer screen B. the cuts can be examined from different angles C. the cuts have been highly magnified D. he is wearing 3-D glasses