题目

The number of rare red-crowned cranes is getting __________and there is __________ living space for them. We should do something to protect them. A. fewer ; smaller          B. smaller; less              C. smaller; fewer           D. fewer; less 答案： B  近几年，人们的环保意识逐渐增加，“白色污染”现象越来越受到人们的重视．小颖同学想了解班上同学家里在一年内丢弃废塑料袋的个数，你认为采用    方式合适一些．