1、2014春季英语人教版新课标必修4U2授课教案(3附)Language Points1.reduce v.make sth.smaller in size,number,degree,price,etc.e.g.The company tries to increase profits by reducing costs公司尽力通过减少花销来提高利润。We have reduced expenses this year.今年我们已经减少了业务开支。2.supply v.give sb.sth.that is needed or usefule.g.He kept me well supplie
2、d with cups of coffee while I wrote the report.当我写报告时,他不断地给我提供咖啡。The shop was unable to supply what she wanted.在这家商店她买不到她所想买的东西。3.refer to v.mention or speak of sb./sth.e.g.When I said some people were very stupid,I wasnt referring to you.当我说有些人是很愚蠢的时候,我不是说你。Dont refer to this matter again.别再提这件事了。S
3、entences and structuresFind out all the sentences with “ v.+ing” forms,and try to remember them.Translate the following sentences,and tell what part of speeches the red parts are used as.1.它也指用自然肥料而不是化肥种植的庄稼。It also refers to crops growing with natural rather than chemical fertilizers.注:growing.在句中充
4、当定语。修饰crops。2.他们说,把这种肥料施在农田里会使土壤含有更丰富的矿物质,而（土壤）也会更加肥沃。Putting this in their fields,they argue,makes the soil richer in minerals and so more fertile.注:Putting.在句中充当状语。3.这一点很重要,因为土壤改良了,农作物的病虫害就减少了,因而有助于农作物的茁壮成长。This is important because developing a healthy soil reduces diseases in crops and helps the
5、m grow strong and healthy.注:developing.在句中充当主语。4.然而使用化肥会带来很大的问题。However,using chemical fertilizers is a big problem.5.第一,在田地里长期遗留化学物质对土壤和水源不利。Firstly,leaving chemicals in the ground for a long time is not good for the soil or the water supply.注:leaving.在句中充当主语。6.不同的是,有机耕作的农民们坚持每隔两三年换种农作物。Instead,org
6、anic farming insist on changing crops every two or three year.注:changing.在句中充当宾语。7.这些农作物将矿物质带回土壤,使之肥沃强效,适宜于种植要求土壤肥沃的农作物,例如玉米和小麦。These put the minerals back into the soil,making it rich and healthy and ready to grow crops that need rich and fertile soil like corn or wheat.注:making.在句中充当状语。8.但无论他们种什么,
7、他们确保在收割后留在地里的东西成为来年农作物的天然肥料。But whatever they grow they make sure that what is left in the ground after harvesting becomes a natural fertilizer for the next years crops.注:harvesting.在句中跟after一起充当时间状语。作业备课-单项填空从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。21Do you regret _ up your opinion that every child should take
8、 part in service learning? No.On the contrary，I think it is very necessary.Abringing Bto bringCto be brought Dbeing brought22_ is a good form of exercise for both young and old. AThe walk BWalkingCTo walk DWalk23Nowadays everyone is responsible for _ a harmonious society in China.Amaking up Btaking
9、upCopening up Dbuilding up24China has successfully sent up the Shenzhou spacecraft into space _ with sophisticated devices of science and technology.Ato be equippedBequippedCequippingDhaving been equipped25The H1N1 flu spread very quickly at the beginning；_，many people were ill.Atherefore BinsteadCi
10、n advance Dhowever26Did you punish him for his mistake?Yes，but _it.AId rather not doBId better not doCId rather not to have doneDId rather not have done27Youd better go there by train.The train ticket is _ the airplane ticket.Aas cheap three times asBas three times cheap asCthree times cheaper thanD
11、cheaper three times than28There was a _ look on his face when he met with the _ problem.Aconfusing；confusingBconfused；confusedCconfusing；confusedDconfused；confusing29Lots of waste has been dumped into the river，which has led to _.Alots of fish having been killedBkill lots of fishClots of fish being
12、killedDlots of fish to kill30George is going to talk about the geography of his country，but Id rather he_more on its culture.Afocus BfocusedCwould focus Dhad focused31It sounds like something is wrong with the cars engine._，wed better take it to the garage immediately.AOtherwise BIf notCBut for that
13、 DIf so32_ caused the accident is still a complete mystery.AWhat BThatCHow DWhere33Zhou Yang didnt want to let anyone overtake her.She wanted to be the first _ that finishing line.Acrossing BcrossCto cross Din crossing34As a result of the serious flood，twothirds of the buildings in the area _.Aneed repairingBneeds to repair Cneeds repairingDneed to repair35I enjoyed a very good holiday in my hometown._.AIts my pleasureBCongratulationsCOh，Im glad to hear thatDOh，thats very nice of you【参考答案】单项选择2135、21A22B23D24B25A26D27C28D29C30B31D32A33C34A35C