外研版英语必修三 module 4 Sandstorms in Asia Listening and Vocabulary课件（共31张PPT）

课件31张PPT。Module 4 Sandstorms in AsiaTo listen to and understand an environmental expert’s speech To learn some key words and expressions To learn to express strong opinions by using correct stress, intonation and expressions To try to make an interviewMatch the words with the definitions.1. the air around the earth _____ 2. to have a bad effect on someone or something _____atmospheredamagePre-listeningatmosphere carbon dioxide chemical damage (v. & n.) melt environment garbage pollution recycle the Poles3. a substance used in chemistry _____ 4. the natural world – the land, air, water, plants and animals _____ 5. to change from solid to liquid, e.g. ice becomes water _____chemicalenvironmentmeltatmosphere carbon dioxide chemical damage (v. & n.) melt environment garbage pollution recycle the Poles6. to treat something so that we can use again _____ 7. one of the gases in the air _____ 8. the most northern and southern points on earth _____recyclecarbon dioxidethe Polesatmosphere carbon dioxide chemical damage (v. & n.) melt environment garbage pollution recycle the Poles9. rubbish _____ 10. damage to the environment because of chemicals _____garbagepollutionatmosphere carbon dioxide chemical damage (v. & n.) melt environment garbage pollution recycle the PolesListen to an environmental expert’s speech. Put the topics below in the order you hear them. A. garbage B. trees C. pollution from cars D. melting ice at the Poles E. the climate51234Check the meaning of the words.Coastal concerned evidence major urgentconcerned adj. 关心的 be concerned about /over /for 关心, 挂念 as (so) far as … is concerned 就……来说, 就……而言where … is concerned 在牵扯到……的时候 (情况下) be concerned with/in 和……有关 show /express concern about 对……表示关心/担心 have a concern in 和……有利害关系 as concerns that matter 关于那件事Now listen again and answer the questions:1. What is the most urgent problem of all?2. What examples of coastal cities does David give?The climate. New York and Shanghai. 3. Why is the climate getting warmer?4. What is described as a major problem?Because pollution is stopping the sun’s heat leaving the atmosphere. Carbon dioxide from cars. 5. What happens when we cut down a lot of trees?6. How does the interviewer feel about the situation?There is less oxygen and more carbon dioxide in the atmosphere. Optimistic.1. As a result, the ice at _____ is beginning to melt. 2. The sea may rise and cities on the coast may _____. 3. Too much carbon dioxide pollutes the _____. Listen again. Complete these sentences.the Polesdisappear (under water)atmosphere4. Trees take in _____ and give out _____. 5. We _____ garbage and pollute the atmosphere. 6. Instead, we should _____ the garbage. carbon dioxideoxygen burn recycleNote:1) Fish take in oxygen through their gills (鳃). 2) Don't trust that fellow. He will take you in if he gets the chance. 3) The kind old lady offered to take in the poor homeless stranger.take in吸收 欺骗 留宿, 收留 4. ... ...