课后提升练(十二) Section Ⅳ Writing(Word练习)-【优化指导】2022-2023学年新教材高中英语选择性必修第三册（人教版2019）

品牌书店·知名教辅·正版资源 学科网书城 趣身边的互联网+教辅专家 b。2xxkcom t 课后提升练(十二)SectionⅣWriting [对应学生用书P_m] I。阅读理解 (2022湖南石门一中高二第四次月考)Asaresultofpolution，Lake Erie，on the borders of the USA and Canada，is now without any living things Pollution in water is not simply a matter of“poisons”killing large numbers of fish overnight Very often the effects of pollution are not noticed for many months or years because the first organisms(生物体）tobeaffectedare either plants or plankton(浮游生物）Butthese organisms are the food of fish and birds and other creatures When this food disappears，the fish and birds die too In this way a whole food chain can be wiped out，and it's not until dead fish and water birds are seen at the river’s edge or on the seashore that people realize what is happening Where do the substances which pollute the water come from?There are two main sources of sewage(污水)andindustrialwaste As more detergent(洗涤剂)isusedinthe home，so more of it is finally put into our rivers，lakes and seas Detergents harm water bird dissolving the natural substances which keep ther feathers waterproof Sewage itself，if not properly treated，makes the water dirty and prevents all foms of life in rivers and the sea from recewing the oxygen they need Industrial waste is even more harmful as there are many highly poisonous things in it，such ascopper and lead(铅) So，if we want to stop this pollution，the answer is simple：sewage and industrial waste must be made clear before flowing into the water It may already be too late to save some rivers and lakes，butothers canstillbe saved if thecorect actionis taken at once 【语篇解读】本文是一篇说明文。文章介绍了由于污染使得美加边境的伊利湖现在已经 失去了很多生物，如果现在采取正确的措施，还可以挽救一些河流湖泊。 1.Polltion of water isnoticed A.when the first organsms are affected B．when agood many fish and water birds die C.whenpoisonous things are poured into water D.as soon asthe balance of nature is destroyed Bⅳ解析：细节理解题。根据第二段中的“andit's not until dead fish and water birds are seen at the river’s edge or on the seashore that peoplerealize what i