1、Unit 4 Global warmingUnit 4The fifth period Teaching methods situational teaching method;cooperative learning method;programmed teaching method;task-based and assessment teaching methods.Teaching aims and demands一、topic:Global warming;pollution;the importance of protecting the earth二、vocabulary三、fun
2、ctions:Agreement and disagreementBlame and complaint四、grammar:The use of itArrangement of teachingthe first period:warming upthe second period:language points of readingthe third period:readingthe fourth period:learning about language and language points of using languagethe fifth period:using langu
3、agethe sixth period:grammarthe seventh period:exercises 1.Check up Daily ExercisesUsing language Skim the letters and find who the writers are and what their purpose of writing the letters is.The first letter is written by a student who is asking for suggestions for his project global warming.The se
4、cond letter is written by an editor of Earth Care magazine.He offers the student some suggestions on what to do about global warming.Earth CaressuggestionsCan you carry it out?ReasonsList Earth Cares suggestions and then in groups,discuss whether you think you can carry out each suggestion.If you ar
5、e not using electrical appliances,turn them off.YesSave energyYesSave energyYesSave energyYesSave energyIf youre cold,put on more clothes instead of turning up the heat.Motor vehicles use a lot of energy,so walk or ride a bike if you can.Recycle cans,bottles,plastics and newspapers and buy things ma
6、de from recycled materials.YesSave energyYesPlants absorb carbon dioxide from the air.Plant more trees.Get your parents or friends to buy products that are made to save energy.YesTogether,individuals can make a difference.Talk with your family and friends about global warming and tell them what youv
7、e learned.Read the text carefully and fill in the blanks.What can we do about global warming?Turn a(n)1 _ off when youre not using it.Put on more clothes instead of turning up the 2 _.Walk or 3 _ instead of taking motor vehicles.4 _ cans,bottles,plastics and newspapers.electrical applianceheatride a
8、 bikeRecycle Buy things made from 5 _.Buy products that are made to save 6_.7_ in your garden or your school yard.Talk with your family and friends about 8_.recycled materialsenergyPlant treesglobal warmingI.根据下列各句句意及所给单词的首字母或汉语提示，写出各单词的正确形式。1.Youll need three large c_ of paint.3.I got out of the ca
9、r but left the m_ running.4.They decided to set up a(n)_(核的)power station.5.Ill heat it up in the _(微波炉).cansmotornuclearmicrowaveII.用所给词的适当形式填空。1.There was _(disagree)among doctors about the best way to treat the disease.2._(pollute)from cars is the main cause of global warming.disagreementPollutio
10、nIII.根据括号内的提示将下列句子补充完整。1.If she could _ _(忍受那里的条件),we would take her with us.2.I dont mind your knowing it _(只要事情不进一步发展).3.If you want to save energy,youd better not use the air conditioner,the heater _(等等)when it is not necessary.put up with the conditions thereso long as it goes no furtherand so on4.I realized that she was right and it _(有影响).made a differenceHomeworkPrepare for grammar
