1、課 題The environment (speaking & writing )教學目 標1.Improve the students speaking ability by describing different pictures.2.Help the students improve their writing ability by combining sentences.重 點難 點1.How to help students describe the pictures bravely.2.How to help students combine the sentences t

2、ogether.Before you startLook up these words and phrases in your dictionary.1. smog_ 2. environmental awareness _3. be blanketed/covered with_4. air quality_5. classify_ 6. smoggy_7. mask _ 8.domestic_9.power plant_ 10.harmful_11.purify_ 12.coal burning_Teaching processStep I lead inUse one sentence

3、to describe your head teacher.1.He is _.(appearance/age/character/temper) 2.He is _except for_.3. Although/Though he is _, _.4. _as he is , he is _.Step II Speaking A. Air pollutionPicture 1 What can you see in the picture?1. The sky is_. (不再像以前一樣藍了。) 2. The city is _. (被厚重的霧霾所籠罩。)Picture 2 Where do

4、es the smog come from?1.工廠將大量的煙霧排放到大氣中。（pourinto ）_2.私家車的數量不斷增加，這就意味著越來越多的有害氣體被釋放到空氣中。（定語從句）_3.此外,家庭和發(fā)電站燃煤也加劇了大氣的污染.add to _Picture 3 How does smog affect our life?1. Owing to_.(由于霧霾，人們出門時不得不戴上口罩。)2.頻繁出現的霧霾天氣對我們的日常生活造成了極大的影響。（have an impact /influence on）_3.霧霾天氣帶來了越來越多的交通擁擠，也帶來了各種各樣的疾病。（as well as）_

5、Picture 4 How can we reduce smog? 1.我們上班可以騎自行車或乘坐公共交通工具而不是私家車。（instead of）_2.工廠的有害氣體在排放到空氣中之前應該被凈化。(purify)_3.（政府）應該制定更多的法令來保護環(huán)境。（被動語態(tài)）_B.water pollutionPicture 1 What happened in the picture?1.河流和湖泊被嚴重污染，這導致很多的動物死掉。（被動語態(tài)&定語從句&lead to）_2.河里的水不再像以前一樣清潔了。_Picture 2 Who should be to blame for i

6、t? 1.不僅僅是化工廠，我們所有的人都應該對水污染負有責任.（not only but also & be responsible for/be to blame for） _Picture 3What effects will it bring to us?1.如果我們不控制水污染，越來越多的人將會生病甚至死亡。_2.只有立即采取行動，我們才能挽救地球和我們自己。（only by置于句首,主句部分倒裝）_Picture 4What should we do to prevent water from being polluted?1.化工廠應該確保污水在排放到河流中之前得到凈化。（waste /polluted water; pufify）_2.我們每一個人都應該做我們能做的來保護環(huán)境：例如，分類投放垃圾。（do everything/whatever one can to do ；classify）_3.我們所有的人都在保護環(huán)境方面起著重要的作用_Step III Group work Air/water pollution_Step IV show time Present the composition to others.Step V Homework Apart