牛津深圳版9A Chapter 2 Electric machines 九年级英语全册英语课件(6个)打包牛津深圳版.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Chapter 2,Electric machines,What kind of machines uses electricity?,How many electric machines are there in your home?,Do you have a computer at home?Is it useful?,Questions:,What do you do with the computer?,Percent of the usage:,Internet,washing machine,television,air conditioner,iron,fridge,100%,90%,80%,50%,10%,2%,OUTLINE,Language,Listening,Reading,Speaking,Writing,More practice,Step1:Reading,Read,Part A and B,and circle the new words,then try to find out the meanings of them.,electric adj.,monitor n.,keyboard n.,mouse n.,main unit n.,drives n.,speaker n.,floppy disk n.,CD-ROM n.,information n.,11.control v.,12.record v.,13.electronics n.,14.task n.,15.according to,16.at present,17.type v.,18.contain v.,19.unimportant adj.,20.spaceship n.,drives,monitor,keyboard,CD-ROMs,main unit,mouse,speakers,floppy,disk,Vocabulary:,The _shows words and pictures.,2.You use the_ for typing in information.,3.The _ records information.,4.The_ helps you control the computer.,monitor,keyboard,floppy disk,mouse,Vocabulary:,5.The _contains all the computers electronics.,6.We can hear the sound from the _.,7.We put _ into the _ in the main unit.,8.We can get _ from different ways,such as reading,watching TV,surfing the internet and so on.,main unit,speakers,CD-ROMs,drives,information,B Find the facts:,Computers,1.may be inside some machines in our homes.,2.can do unimportant jobs like flying spaceships.,3.can do tasks according to the programs.,4.at present are cleverer than people.,important,not cleverer,Reading,There are five short texts typical of information leaflets or newspaper or magazine articles in this part.Listen to the tape and try to tell the main idea of each paragraph.,P18:Hidden helpers,There may also be tiny,hidden computers in your home but you might be unaware of them.,Notes:,1.tiny-small,2.hidden-hide,3.be unaware of not knowing about,e.g.The student,was unaware of,his mistakes.,You are more dependent on computers,than you realize.,Notes:,4.dependentadj.needing someone,or something.,depend-v.,依赖,;,依靠,(on),e.g.You should not,be dependent on,your parents all the time.,5.realize-v.notice;know about,e.g.I did not realize you were right.,P18:Hidden helpers,Computers are,probably,the best,calculator,s and,rarely,give wrong answers.like,diagram,s and,graph,s.,P19:What kind of jobs can a computer do?,Notes:,6.probably adv.maybe;perhaps,7.calculator-n.small electronic device,8.rarely-adv.not often;seldom,9.diagram-n.,a line drawing that shows,how,sth,works.,10.graph,line or lines showing the variation.,More importantly,they can operate,railways,11.importantly-adv.(adj.important),12.operate-v.control,keep running,-operation n.,手术,Notes:,P19:What kind of jobs can a computer do?,but it is essential for people not to,make mistakes.Otherwise,the computer,will not work well.,13.essential adj.necessary;,most important,14.otherwise-conj.If not;if conditions,were different,Notes:,P19:How do we give a computer instructions?,The answer to this question is,for the,Time,being,“No,”.,creat,new ideas.than doctors,judges and teachers.This raises,15.for the time being-(adv.,Phr,.),16.creatv.,produce;make,Notes:,P19:Is a computer cleverer than I am?,17.judgen.a senior law officer,18.raisev.mention,sth,for people,Find the meanings,Page 20,Hardly ever,A.sometimes B.seldom,C.often,2.dependent on,A.needing B.trusting,C.playing with,3.realize,A.allow B.understand,C.decide,C1,4.rarely,A.often B.sometimes,C.seldom,5.essential,A.very dangerous B.very safe,C.very necessary,6.contain,A.prevent B.remove,C.include,C1,A B,be unaware of a.make(it)work,tiny,b.people,who make,diagrams legal decisions,operate c.very small,for the time being d.at present,judges e.brings to our,7.raises attention,f.do not know about,g.simple drawings,C2,Read and think,Page 20-21,S1 There may be tiny computers in,your home.,S2 Where,for example?,S1 Inside your _,_,or _ _.,D,2.S1 Computers can draw things.,S2 For example?,S1 _ and _,TV set,telephone,washing,machine,Diagrams,graphs,3.S1 Computers can do some important,jobs.,S2 For example?,S1 _ _,_,_and _ _.,D,4.S1 A human brain can do some things,better than a computer.,S2 For example?,S1 _ _ _.,Operating,railways,flying,aeroplanes,Creating,new,flying,spaceships,ideas,6.S1 In future,computers may change,our lives a lot.,S2 For example?,S1 We may have _,_,_,D,5.S1 In future,computers may do some,jobs better than people.,S2 What job,for example?,S1 A _ job.,doctors/judges/teachers,nothing,to,do,3.S1 Computers can do some important,jobs.,S2 For example?,S1 _and _ .,D,Pictures,sound,Step 2:Listening,Listen to the recording,and complete the details of Mabels,order on Page 22.,Useful words in this part:,ballpoint pen,圆珠笔,screen filter,显示屏,office chair,办公椅,Reference No.,Product,Colour,/Size,Quantity,Price,(each),Total,J-1505,Ballpoint pens,black,3 boxes,38,114,(1),A4 paper,(2),(3),(4),(5),(6),(7),medium,(8),480,(9),(10),(11),(12),(13),(14),(15),(16),(17),(18),(19),(20),Grand total:(21),P-1961,white,10 boxes,30,300,C-4091,screen filter,1,480,D-2791,floppy disks,5 boxes,75,375,C-4083,office chair,black,1,1800,1800,3069,(P22),Language,The comparative,superlative,of adjectives,Step 3,I am tall than you.,I am tall.,er,=,动词,+,be,+,as,+,形容词,/,副词,原级,+,B,as,+,动词,+,be,+,形容词,/,副词,比较级,+,B,than,+,+,be,+,形容词,最高级,+,范围,in/on,+,the,+,动词,+,+,副词,最高级,in/on,+,+,范围,be,+,+,形容词,/,副词,比较级,any other,+,+,单数,动词,than,the other,+,+,复数,直接加,-,er,、,-,est,。如,smallsmaller smallest,去词尾不发音的,e,，加,-,er,、,-,est,。,如,widewider widest,重读闭音节词结尾，且词尾只有一个辅音字母的，双写该辅音字母，加,-,er,、,-,est,。,如：,bigbigger biggest,以辅音字母,+y,结尾的，变,y,为,i,，加,-,er,、,-,est,。如,easyeasier easiest,earlyearlier earliest,一般双音节和多音节的形容词或副词直接在该单词前加单词,more most,构成其比较级和最高级，,如,politemore polite most polite,politelymore politely most politely,形容词或副词比较级和最高级的变化规则,不规则变化的形容词或副词,good/well,better,best,bad/ill/badly,worse,worst,far,farther/further,(,距离,)/,（程度）,farthest/furthest,many/much,more,most,late,later/latter,latest/last,old,older/elder,eldest/eldest,little,less,least,Practice,1.The air in Beijing is getting much _ now than a few years ago.,A.clean B.cleaner,C.cleanest D.the cleanest,(05,北京,),2.Amy makes fewer mistakes than Frank.She does her homework _.,A.more carefully B.more carelessly,C.more careful D.more careless,(2007,年南京,),4.-Which do you like _?,-I prefer this one.,A.well B.best C.good D.better,3.-Who gets up _,your father or your mother?,-My mother.(2007,年长沙中考,),early B.earlier C.earliest,5.,The busier he is,the _ he feels.,（,07,天津）,A.happily B.happy,C.happier D.more happy,7.Sorry,I took your MP3 by mistake.Ill be _ careful next time.(07,山西,),A.most B.more C.much,6,.The population in the world is larger and larger.I dont think food will be _.(07,山东青岛,),A.less expensive B.much expensive,C.more,expensiveD,.a little bit expensive,8,Ivan would like to have _ car.He hates repairing his car so often.(07,河南,),A.good B.better C.a better D.best,10.Allen spent _ time and made _ sentences than Tony.(07,呼和浩特,),A.fewer;more B.less;more,C.much;many D.more;many,9.-How are you today,Francis?,-Much _,but my doctor says Ill still have to rest for another few days.(07,杭州,),A.well B.good C.better D.best,11.,Of all the ball games,I like baseball _.Its really my favourite.(06,辽宁,),A.well B.good C.better D.best,More Practice,David is going abroad for the first time and needs to buy a suitcase.He is talking to a salesman in a shop.Complete the conversation.,A1,expensive light cheap,heavy big small,Salesman:Can I help you,sir?,David:Yes,I need a suitcase.Can,you tell me about these two?The,red one costs,2500.Why is it(1),_ than the black one?,Salesman:Because its made of leather,sir.,The black one is made of plastic.,So the black one is(2)_,than the red one.Leather always,costs more.,David:I see.,more expensive,cheaper,Saleman,:But on an,aeroplane,you must think about the weight.The red suitcase is(3)_than the black one.You try them,sir.,David:Oh,youre right.The black one is much,(4)_ than the red one.But is it very,strong?,Salesman:Yes,its quite strong.It will last for years.And look at the size too,sir.The black one is(5)_ than the red one.,David:Yes.The red one is(6)_ than the black one.Thats true.,heavier,lighter,bigger,smaller,expensive light cheap,heavy big small,More Practice,The Nile-6700 km,The Amazon-6300 km,Africa-30,233,000 sq km,Asia-,-44,426,000,sq km,Greenland-2,715,592 sq km,Borneo-746,543,sq km,The Atlantic-9219 m,The Pacific-11,035 m,A2,S1:(river/long)_,the Nile,or the Amazon?,S2:_.,2.S1:(continent/big)_,Africa,or Asia?,S2:_.,Which river is longer,The Nile is longer,Which continent is bigger,Asia is bigger,3.S1:(island/large)_,Greenland or Borneo?,S2:_.,4.S1:(ocean/deep)_,the,Altantic,or the Pacific?,S2:_.,Which island is larger,Greenland is larger,Which ocean is deeper,The Pacific is deeper,The Amazon _,2.Africa _,3.Borneo _,4.The Atlantic _,A3 Make sentences,shallow short small,is shorter than the Nile.,is smaller than Asia.,is smaller than Greenland.,is shallower than the Pacific.,This is the smallest model._,2.This is,the,most expensive model._,3.This is the oldest model._,4.This is the lightest model._,1580,made in 2007,0.23 kg,114*62.5*43 mm,a,1330,made in 2006,0.21 kg,110*60*41 mm,c,880,made in 2006,0.23 kg,117*64.4*53.8 mm,e,880,made in 2006,0.23 kg,117*63*47mm,b,368,made in 2005,0.16 kg,110*67*42mm,d,C,a,d,d,B1,The _costs _.,The _was made in _.,The _weighs _.,1580,made in 2007,0.23 kg,114*62.5*43 mm,1330,made in 2006,0.21 kg,110*60*41 mm,880,made in 2006,0.23 kg,117*64.4*53.8 mm,880,made in 2006,0.23 kg,117*63*47mm,368,made in 2005,0.16 kg,110*67*42mm,oldest model,most expensive model,2005,0.16 kg,1580,lightest model,B2,Example:(,big)Earth,the moon or the sun?,S1:Which is the biggest,Earth,the moon,or the sun?S2:The sun is the biggest.,B3,1.(small)a bee,a butterfly or a mosquito?,2.(large)the Atlantic,the Pacific or the Indian Ocean?,3.(valuable)iron,silver or gold?,4.(hot)the North Pole,the South Pole or the Gobi Desert?,5.(heavy)a bear,a whale or an elephant?,6.(senior)a policeman,an inspector or a chief inspector?,7.(fast)a rocket,a plane or a train?,Name,Art marks,Science marks,Distance from home to school(km),Alice,84,55,5,Belinda,72,60,8,Daisy,83,81,14,Eric,79,54,3,Martin,80,68,9,Peter,66,53,10,Paul,81,74,12,Pauline,62,59,11,Record Class _,C1,C1 True or False statements:,1.Alice has the best marks in art.,2.Eric has worse marks in science than Martin.,3.Belinda has better marks in art than Daisy.,4.Peter has the worst marks in,science.,5.Paulines home is farther from school than Pauls.,T,F,T,F,T,(P27),Speaking,Giving opinions,agreeing and disagreeing,Step 4,Additional expressions,of agreement,Yes,indeed.,Yes,(thats)exactly what I think.,I agree totally/100%/completely.,Thats just what I was going to say.,I think so too.,Yes,thats right.,How true!,(P28-29),Writing,The answers for A&B:,1.faster 2.better 3.longer,4.lower 5.heavier 6.lighter,7.farther 8.more 9.worse,B.1.better than 2.fewer,3.more modern 4.nearer to,5.farther from 6.better than,(P30-31),More Practice,The answers for A:,1.c 2.f 3.e 4.b 5.j,6.a 7.h 8.I 9.d 10.g,(P30-31),More Practice,The answers for D:,Step 2 Click on the Internet icon.,Step 3 Type in your user name and,password.,Step 4 Wait for the Internet to connect.,Step 5 Type in the address of the,website.,Step 6 Press,“,enter”and,wait for your,website to appear.,(P30-31),The answers for A&B:,1.i 2.g 3.k 4.h 5.b 6.a 7.l,8.j 9.m 10.n 11.f 12.e 13.c 14.d,1.40 BC 2.200 AD 3.C,4.588 sq cm 5.kg 6.NB,7.e.g.8.etc.9.No.10.UN,The answers to Using English,So Much for this Class!,