初三Unit2 Topic2复习.pptVIP

单词表 A名词部分 1.行为，举止 2.重要性 3.沙，沙子 4.沙尘暴 5.沙漠 6.法律，法令，定律 7.（自来水，煤气 等的）龙头 8.氧气 9.放射，放射物 10.毛毯，毯子 11.逃跑 12.水平线，水平 13.火星 B动词部分 14.舍弃，遗弃 15.防止，预防 16.逃跑，逃脱 17.上升，上涨 18.回收，在循环 19.分，划分 C形容词副词部分 20.无理的，粗鲁的 29.数以百万计 millions of 30.臭氧层 ozone layer 31.二氧化碳 carbon dioxide 32.给……一些建议 give some advice to 33.遵守规则 follow the rules 34.通过；穿过 pass through 35.对……是有帮助的；有助于…… be helpful to 36.在公共场所吐痰 spit in public 37、注意做某事 pay attention to doing sth. 38、灭绝 die out 39.在中国的东南部 in the northeast of China 40.朝着肥沃的土地移动 move toward the rich land 41.健康状况不好 be in bad health 42.大量的 plenty of 43、或者…或者… either …or … 44、确保 make sure 45、举办一场竞赛 run a competition 重点句型 1. 结果，空气污染已经成为一个严重的问题。 As a result, air pollutionhas become a serious problem. 2.在香港，大约35%的垃圾能被回收而剩余的则不能。 About 35% of the rubbish in Hong Kong can be recycled every year while the rest can’t. 3.每个人都应当关爱野生动物并且多种树。 Everyone should care for wild animals and plant more trees. . 4.我们应尽一切努力保护环境。 We should do everything we can to protect the environment. 5.不要在公共场合到处吐痰。 Don’t spit anywhere in public. 6.大家知道，没有人喜欢污染。 As we know, none of us likes pollution. 7.人类逐渐意识到保护动物的重要性。 Humans have come to realize the importance of protecting animals. 8.树可以防风固土. Trees can stop the wind from blowing the earth away. 9.树可以防止水土流失。 Trees can prevent the water from washing the earth away. 10.砍划树木对人类和动植物有害. Cutting down trees is harmful to human beings,animal and plants. 11. 一些动物甚至濒临灭绝。 Some animals are even in danger of disappearing completely. 4. Trees can stop the wind from blowing the earth away. Stop… from / prevent ..from sth./doing sth.阻止某人/某物做某事。 from可以省略。 What can we do to prevent the disease spreading? 5. Although we have built the Great Green Wall, we still need to work hard to protect the environment. Although 尽管,虽然相当于though， 引导让步状语从句。 不能和but连用。 Although my uncle is old, he looks very strong and healthy.? 6.It caused Harbin City to cut off its water s