There is more water pollution in the world and sweet water is much less than before的意思

问题描述:

There is more water pollution in the world and sweet water is much less than before的意思
Lots of newspapers and magazines are going to bed.的意思
Jack is our top dog in our class.的意思

1、现在世界上,水污染越来越严重,可饮用的水和从前比更少了.
2、很多报刊和杂志正要交付出版社排印.
3、Jack是我们班上的老大(权威、处于优胜或支配地位的人,有权势的人).结合上下文定吧.