仁愛(ài)版英語(yǔ)九上topic2alltheseproblemsareveryserious之二-資料下載頁(yè)
2024-12-08 15:35本頁(yè)面
【導(dǎo)讀】cutdown,millionsof,takeawaytheearth,increasealot,forma“blanket”,canyouthinkof?Canyoumatchthem?tosolvethem?healthproblems.lakesarenowdead.A.Thesun.B.Mars.2、WhichisNOTtrue?C.Thefewertrees,thebetter.
【正文】 troying the ozone layer. This is very dangerous because this kind of radiation can cause cancer. CO2: the greenhouse effect: More and more carbon dioxide forms a “blanket” around the earth. Written work Discuss the meanings of the following expressions and then write down how they affect the environment. Carbon dioxide. It mainly es from burning oil, coal and wood. Carbon dioxide around the earth makes the temperature rise. The heat from the sun can39。t escape so the temperature is rising. It causes the level of the oceans to rise and the climate of the earth to change. Group work Are you a green person? Do you want to know how many people are turning green in your class? Work with your partners and design a questionnaire(問(wèn)卷調(diào)查 ) like this. How many kinds of pollution do you know? … Useful expressions … people have cut down millions of trees. … the earth is taken away. The heat from the sun can’t escape so the temperature is rising. It causes the level of the oceans to rise … Byebye
教學(xué)課件相關(guān)推薦
鄂ICP備17016276號(hào)-1