怎样轻松学英语.docVIP

怎样轻松学英语 Air pollution is a serious problem in many of the world big cities. It is caused by cars and factories. We also pollute the air when we burn oil or coal for energy and heat. 2.Oh,my,look at this, dead fish everywhere What happened?We used to be able to drink the water in rivers and lakes. But today,many rivers and lakes have been so polluted that the water is useless. Factories and drainage have been polluting the water. We arent taking good care of water.We use too much water and we waste water. What is more we pollute water. 3.This beautiful mountain is one of the most popular places for people to visite, during holidays and festivals. Thousands of people come here to hike in the mountains forestes and valleies. Unfortunately the tourists leave a lot of rubbish behind, plastic bags,soda bottles and other things are thrown everywhere. Many tourists also pick flowers and demadge the trees. And the many hotels in restaurants beening built are having a negative affect on the environment,too. READING according to unexpected particular negative broadband test-tube clone revise interview resource department take over electricity break down planet wonder defeat force peaceful succeed skip clue Chelyabinsk Irkutsk n.项目；条款；(消息 、情报等的)一条 n.牙签 n.汽车 n.一致；协定 n.不一致；分歧 vi.不同意；不一致 adv.绝对的；完全地 vi.依靠；依赖 vt.vi.按；压；逼迫n.压力；印刷；新闻 n.(13-19岁的)青少年 n.图象；肖像；形象 prep.遍及；贯穿 n.作用；功能 vt.增加；添加；补充说vi.加；加起来 ；增添 adj.最近的 n.特征；特色 n.日历；历法 measure take measures habitat adapt adapt to original Jemnnifer make a difference battery Stevenson devote devote...to at present common set free in the wild ecosystem valuable throw away reduce respond amount package