1、人教课标高二 选修 6Unit 4 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 second letter is written by an editor of Earth Care magazine.He offers the studen
2、t 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 are not using electrical appliances,turn them off.YesSave energyYesSave energyYes
3、Save 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 made from recycled materials.YesSave energyYesPlants absorb carbon dioxide from t
4、he 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 youve learned.Read the text carefully and fill in the blanks.What can we do about g
5、lobal warming?Turn a(n)_ off when youre not using it.Put on more clothes instead of turning up the _.Walk or _ instead of taking motor vehicles.electrical applianceheatride a bike _ cans,bottles,plastics and newspapers.Buy things made from _ _.Buy products that are made to save _._ in your garden or
6、 your school yard.Talk with your family and friends about _.recycled materialsenergyPlant treesglobal warmingRecycleRead Toms essay about litter and carry out the tasks below.1.Draw a circle around the main point of view.The main point of view to be circled:All sorts of items become litter,but two o
7、f the most common and most dangerous are cigarette butts and plastic bags.2.Underline the evidence Tom gives to support his argument that cigarette butts are an environmental problem.The evidence about cigarette butts Tom gives to support his argument to be underlined:Over 1,600 billion cigarettes a
8、re smoked each year in China the toxic chemicals add up to a great amount.3.Draw a box around the evidence Tom gives to support his argument that plastic bags are an environmental problem.The evidence about plastic bags Tom gives to support his argument to be boxed:They are made from to kill another
9、 animal.4 Number each of Toms solutions:1)Put cigarette butts in the rubbish bin.2)Not to let plastic bags become litter.3)Use fewer plastic bags and recycle them4)Not to smoke.5)Not use plastic bags at allRead the essay again and make notes in the table.First Paragraph Point of viewLitter is a seri
10、ous environmental problem Second Paragraph First point of the argument;EvidenceCigarette butts are small but are still bad for the environment.1.Over 1,600 billion cigarettes are smoked each year in China.Many of the buttsbecome litter.Second Paragraph2.4.5 trillion butts are littered every year in
11、the world.3.Butts spoil the beauty of the environment4.Butts contain toxic chemicals.These get into the water supply.These decrease the quality of the water and endanger living things.5.Butts take up to 5 years to break down,so the toxic chemicals add up to a great amount.Third Paragraph Second poin
12、t of the argumentPlastic bags area danger to the environment.Third ParagraphEvidence1.Plastic bags are made from non-renewable resources.If they are not recycled,these resources are lost to us.1.In China,2 billion plastic bags are used every day.Many of these become litter.ThirdParagraph3.Plastic ba
13、gs last from 20 to 1000 years in the environment.4.They can travel long distances in the air and water.They are in rivers,parks,beaches and oceans.5.Plastic bags kill up to one million seabirds,100,000 sea mammals and countless fish each year worldwide.ThirdParagraph6.After the animal breaks down,th
14、e plastic bagbecomes free and can kill another animal.Fourth Paragraph Point of viewThe environmentwould be less polluted if wecleaned up cigarette butts and plastic bags.The best solution would be not to smoke or use plastic bags at all.I.根据句意及所给单词的首字母或汉语提示，写出所缺单词的正确形式。1.The cool water r_ John afte
15、r 2.his long sleep.2.This is a formal party so youd better not wear c_ clothes.3.I was asked to give a short p_ on the aims of the plan.refreshedcasualpresentation4.The companys _(承诺)to providing quality at a reasonable price has been vital to its success.5.It is very difficult to see doctors,so man
16、y people _(提倡)building more hospitals.6.Its the best result that could be expected under the _(情况).circumstances commitmentadvocateII.根据汉语提示，补全下列句子。1.Im writing _ 2.(代表我母亲)to express her thanks for 3.your gift.2.I _(再也不能忍受Ivy了)she never stops complaining.3.I dont care about the price,_ _(只要这块儿表质量好).
17、on behalf of my mothercant put up with Ivy any more so long as the watch is of good quality4.If you know a foreign language you can tell your foreign friends about _ _(你的家庭、学习等情况).5.To the doctors disappointment,the medicine _ (对这个病人几乎不起作用).your family,your study and so onhas little effect on the patient6.In sport _(重要的是)is not the winning but the playing.7.The doctor told Paul to _ _(少抽烟).what really counts cut down on smoking
