Unit 2 The Environment Welcome 导学案

Unit 2 The Environment Welcome 导学案导学案 一 课前预习一 课前预习 1 Learn and study the following words environment environmentalist environmentally friendly atmosphere pollution plastic bags poisonous waste rubbish chimney industry balance of nature forest chemical desert sandstorm recycle damage protection drinking water fertilizer 2 List the natural disasters you know 3 Search for information about some environmental problems you know such as floods forest fires the greenhouse effect acid rain Prepare for the discussion in class 二二 课堂学习课堂学习 1 Talk about the environmental problems 2 Talk about the pictures on P21 and discuss how to solve the problems Problems Causes Solution White Pollution Air pollution Decrease of Forests Forest fire Natural disasters tsunami volcano hurricane Sandstorms Water Pollution 三三 课堂检测课堂检测 1 Phrases 1 pour into 2 piles of rubbish 3 classify and recycle 4 let out industrial waste 5 give off poisonous gases 6 affect people s life 7 take into consideration 8 natural disasters 9 a wake up call 10 develop economy 11 water shortages 12 acid rain 15 阻止 16 处理 17 制定法律 18 保护环境 19 白色污染 20 砍伐树木 21 全球变暖 22 导致 23 减少污染 24 造成损害 25 污染环境 26 有害健康 27 塑料袋 28 破坏生态平衡 四 课后作业四 课后作业 Written Work 在世界环保日到来前夕 联合国教科文组织就如何处理垃圾问题向全世界中学生征文 请 你以 Saving Our City 为题 写一篇 120 词左右的短文 文章的第一句已给出 但不计入总 词数 提示 1 城市垃圾的危害 污染环境 有害健康 2 你所在的城市是如何处理垃圾的 1 垃圾分类 2 报纸 玻璃的再利用 3 填埋有害垃圾 4 处理废水 废气 5 尽我们的所能 爱护环境 保护环境 sort 分类 It is important to deal with the rubbish in cities Unit 2 The Environment Welcome 导学案答案导学案答案 三 课堂检测 词组 1 倾倒 2 成堆的垃圾 3 分类与回收 4 排放工业废物 5 释放有毒气体 6 影响人们生活 7 考虑 8 自然灾害 9 警钟 10 发展经济 11 水源短缺 12 酸雨 15 prevent from 16 deal with 17 pass law 18 protect the environment 19 white pollution 20 cut down trees 21 globle warming 22 lead to 23 reduce pollution 24 cause damage 25 pollute the environment 26 do harem to health 27 plastic bags 28 damage the balance of nature 四 课后作业 Writing Saving Our City It is important to deal with the rubbish in cities Rubbish must be treated properly Otherwise it may cause a lot of problems It may pollute the air and water When people breathe the polluted air or drink the polluted water they may get iii Our city has begun to pay attention to the problem As far as I know some rubbish is sorted and sent to different factories Rubbish such as old newspapers and glass is recycled Some harmful rubbish is sent to a certain place and buried Waste air is cleaned before it goes into the air Waste water is treated before it is poured into rivers To protect the environment the government has passed laws to p