人教选修 6 Unit4 Global warming Using language
Teaching material NSEFC Book 6 —— Unit 4 Teaching aims Enable the students to learn some information about the current situation of the global
warming and know what we should do about it. Teaching important& difficult point How to help the students to get the information about the current situation of the global warming and know what we should do about it. Teaching aids tape recorder, slides Teaching procedures Step1 Lead in Have you ever seen the film The Day After Tomorrow? What kind of disasters have you seen in the film? What have you learnt from the film? Slide show
What causes the global warming? gas emission
What is the effect of global warming?
Step 2 Skimming Skim the first letter, and answer the questions below: 1. Who is the writer? A student named Ouyang Guang. 2. What is the purpose of the email? / What are the two concerns of the ema il? ① His opinion that, as an individual, he can have no effect on environmental problems. ② getting some suggestions for what he can do about global warming. 3. Read the second email, and answer the question: Does Earth Care agree with Ouyang Guang’s opinion that individuals can have no effect? No, Earth Care does not agree. Step 3 Scanning Scan the letter and list Earth Care’s suggestions in the chart on P30, and disc uss whether you can carry out each suggestion. Give reason for you answers. Earth Care’s suggestion Can you reason carry it out If you are not using electrical applian Yes save energy ces, turn them off. If you’re cold, put on more clothes Yes save energy instead of turning up the heat. Motor vehicles use a lot of energy, s Yes save energy o walk or ride a bike if you can. Recycle cans, bottles, plastics and new Yes save energy spapers and buy things made from rec ycled materials. Get your parents or friends to buy Yes save energy
products that are made to save energ y. Plant more trees. Yes
Talk with your family and friends abo Yes ut global warming and tell them what you’ve learned. Step 4 Language points 1. make a difference make a difference(1)有很大差别, 有很大不同(2)有很大的关系/影响 make some/ no difference to对...有些/没有关系 That makes no difference to me. 那对我没有影响。 Exercise can make a great difference to your health. 锻炼对你的健康产生很大的影响。 2. put up with put up with 忍受;忍耐;受苦 That woman, as a housewife, has a lot to put up with. 作为家庭主妇,那女人 得忍受很多烦恼。 知识拓展 put aside 节省(钱、时间);储蓄;把……放在一边 put away 收拾起来;储存(钱);喝掉 put back 放回原处;拖延 put down 写下;记下;控制 put forward 提出(意见、建议);推荐 put off 延期;推迟 put on 假装;增加;上演(戏剧) put out 熄灭;使忧虑;扑灭;出版 put up 举起;张开(伞);张贴;为……提供食宿 3. so long as / as long as as long as 只要，如果 As long as there is life there is hope. 留得生命在,不怕没希望. You can go out, as / so long as you promise to be back before 11 o'clock. 你可以出去,只要你答应在 11 点以前回来. I'll accept any job as / so long as I don't have to get up early. 只要不必早起,任何工作我都可以接受. 在用as / so long as连接的从句中,当其谓语为be,而主语和主句的主语相同时,则 从句的主语和be可以省略。如: I'm sure we are safe as long as (we are) in his care. 我深信只要在他的保护 下,我们就会平安无事. Step 5 Homework Surf the internet to know more about what we can do about global warming.
Plants absorb carbon dioxide from the air. Together, individuals can make a difference.