九年级上英语期末复习《完形填空》专题练习（含答案）

牛津译林版九年级上英语期末复习《完形填空》专题练习 　 1． The earth is our home． We must take good care of it． Life today is easier than it was hundreds of years ago， but it has brought some new（1）　 　． One of the biggest problem is pollution． We can see it， smell it， drink it and even hear it． Man has polluted the （2）　 　． The more people， the more pollution． Many years ago， the problem was not so （3）　 　 because there were not so many people． When the （4）　 　 was used up or the river was not clean in a place， man went to another place． However， man is （5）　 　 polluting the whole world nowadays． Air pollution is still the most serious pollution． It's bad for living things in the world． Many countries don't let people （6）　 　 anything bad in the houses and factories in the city． Pollution brought by SO2is now the most dangerous kind of（7）　 　 pollution． It's mainly caused by heavy traffic． People say riding bikes is the（8）　 　 way to protect the environment in terms of means of transportation． Rid