Waterpollutionisspeedingup(加速)aroundtheworld.Weuseover75,000water-pollutingchemicalsandmakeabout1,000newoeachyear.Whenitrains,waterrunsoverthegroundandcoil,dirtandotherharmfulstufftotheriversan

Question

　　Water pollution is speeding up(加速) around the world. We use over 75,000 water-polluting chemicals and make about 1,000 new o____each year. When it rains, water runs over the ground and c____oil, dirt and other harmful stuff to the rivers and lakes. So, anything harmful that we use may finally go into our drinking water.
　　Pollution of drinking water is a problem for half of the world's population. A____the 250 million people who get sick because of water pollution, 5 to 10 million of them d____.
　　Some of us are used to pouring dirty sewage and harmful chemicals into rivers and lakes, others throw r____into them. So many rivers, lakes and seas have become the h____of cans, bottles, glass and plastics. It's time for us to stop doing that.
　　We should also try not to use chemicals. If necessary, use as f____as possible. At the same time, we should try our best to fight against pollution.

Answer 1

【分析】1. one代替同名异物，复数为ones。本句中ones代替上文提到的water-polluting chemicals。2. 下雨的时候，雨水流过地面，将油类、污垢和其他有害物质带入河流和湖泊。carry“运送，携带”，主语是water，用第...