Unit1Topic2SectionB课件仁爱版英语九年级上册2

e7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6075D6FE8CF171D7711FA86EFE11942C409B967ED54C1D180091DB33AC72553D6E2A29D406B811657005CUnit1TheChangingWorldTopic2

Thepopulationindevelopingcountriesisgrowingfaster.SectionBe7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6075D6FE8CF171D7711FA86EFE11942C409B967ED54C1D180091DB33AC72553D6E2A29D406B811657005C行业PPT模板http:///hangye/Teachingaims1.Masterthefollowingwords,phrasesandsentences:Words：population,billion,increase,reach,luckily,policy,Russia,measurePhrases:

increaseby,developingcountries,developedcountries,carryout,theone-childpolicySentences：①Whatalargepopulation!

②Theworldhasapopulationof6.8billion.③Soitis.2.ReadnumbersinEnglish.3.Talkaboutpopulationproblems.e7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6075D6FE8CF171D7711FA86EFE11942C409B967ED54C1D180091DB33AC72553D6E2A29D406B811657005CRevision1.So+be/情态动词/助动词+主语（表肯定）（表示上文提到的肯定情况也同样适合另外一个人或物，

前后主语不是同一个人或物）

Neither/Nor+be/情态动词/助动词+主语（表否定）注：neither/nor句型中没有not出现。（表示上文提到的否定情况也同样适合另外一个人或物）▲So+主语+be/情态动词/助动词（表示对前面事实的肯定，前后主语是同一个人或物,意思是“的确如此”）2.already意思是“已经”，通常用于肯定句中。

yet可用于否定句，“还”；也可以用于疑问句，译为“已经”

just只用于肯定句意思是“刚才”

never用于否定句译为“从不”

ever用于疑问句译为“曾经”完成时态常见副词justnevereveralreadyyetbefore含义刚刚从不曾经已经还（没）以前位置句中句中句中句中/末句末句末句式肯定句否定句一般疑问句肯定句否定句/一般疑问句肯定句e7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6075D6FE8CF171D7711FA86EFE11942C409B967ED54C1D180091DB33AC72553D6E2A29D406B811657005CThesupermarketisverycrowded.Soitis.So+主语+

be/情态动词/助动词（表示对上文情况的肯定和同意，意为“确实如此”）Lucydancesverywell.Shehascleanedtheroom.Soshedoes.Soshehas.2.Soitis.

确实如此。—Johnstudiesveryhard.—____________A.Neitherdoeshe.B.Sodoeshe.C.Sohedoes.D.Soheis.Ce7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6075D6FE8CF171D7711FA86EFE11942C409B967ED54C1D180091DB33AC72553D6E2A29D406B811657005CRevisionjust/alreadyeveryetneveryetjust/alreadybeentohasgonetoHavee7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6075D6FE8CF171D7711FA86EFE11942C409B967ED54C1D180091DB33AC72553D6E2A29D406B811657005CNumbersinourlivesonehundredandfiftyyuanTheWinterOlympicGamesintwothousandandtwenty-twothousandsofpeopleonepointsevenfive(1.75)meterstallHowtoreadnumbers?e7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6075D6FE8CF171D7711FA86EFE11942C409B967ED54C1D180091DB33AC72553D6E2A29D406B811657005CFirst,trytoseparatethenumberingroupsofthreefromrighttoleft.Thenreaditinorderfrombilliontomillionandthousand.Howtoreadnumbers?1,000,000,000billionmillionthousand1

000000

0002Listenandreadthenumbers,payingspecialattentiontotheintonation.Thenreadtheothernumberswithyourpartner.e7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6075D6FE8CF171D7711FA86EFE11942C409B967ED54C1D180091DB33AC72553D6E2A29D406B811657005C1,000,000,000billionmillionthousandfivehundredandforty-threepointseven

1562onethousand,fivehundredandsixty-two6004001sixmillion,fourthousandandone7198764502sevenbillion,onehundredandninety-eightmillion,sevenhundredandsixty-fourthousand,fivehundredandtwoe7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6075D6FE8CF171D7711FA86EFE11942C409B967ED54C1D180091DB33AC72553D6E2A29D406B811657005C973ninehundredandseventy-three3980threethousand,ninehundredandeighty98721ninety-eightthousand,sevenhundredandtwenty-one768540sevenhundredandsixty-eightthousand,fivehundredandforty1,000,000,000billionmillionthousand露一手e7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6075D6FE8CF171D7711FA86EFE11942C409B967ED54C1D180091DB33AC72553D6E2A29D406B811657005C2346780twomillion,threehundredandforty-sixthousand,sevenhundredandeighty82346580eighty-twomillion,threehundredandforty-sixthousand,fivehundredandeighty405000000fourhundredandfivemillion5555555555fivebillion,fivehundredandfifty-fivemillion,fivehundredandfifty-fivethousand,fivehundredandfifty-five1,000,000,000billonmillionthousande7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6075D6FE8CF171D7711FA86EFE11942C409B967ED54C1D180091DB33AC72553D6E2A29D406B811657005C基数词的写法、读法与用法：（1）写法：百；hundred；

千：thousand；百万：million；十亿：billion；万亿：trillion（2）读法与用法：①21到99先读“几十”，再读“几”。中间加上连字符号“-”；如：65读作sity-five②101到999先读“几百”，再加and，再加末尾两位数和末位数。如：168读作onehundredandsixty-eight；508读作fivehundredandeight。③1000以上的数从个位往前计读，每三个数加一个逗号。第一个逗号前的数读为thousand，第二个读为million，第三个读为billion。如：47，245，867读作forty-sevenmilliontwohundredandforty-fivethousandeighthundredandsixty-seven.④hundred,thousand,million,billion,trillion等表示确切的数目时没有复数。表示约数才用复数。⑤将整十的基数词变为复数可以表示人的岁数或年代。如：Heisinhisearlythirties.Shewasborninsixties.e7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6075D6FE8CF171D7711FA86EFE11942C409B967ED54C1D180091DB33AC72553D6E2A29D406B811657005C

Therearesomanypeople!Whatalargepopulation!形容人口多用large/big修饰，形容人口少用small修饰e7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6075D6FE8CF171D7711FA86EFE11942C409B967ED54C1D180091DB33AC72553D6E2A29D406B811657005C6800808080The

population

isincreasingby

82millioneveryyear.=Theworldhasapopulationof7.2billion.Whatalargepopulation!Everyyearwehave82millionmore36323136e7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6075D6FE8CF171D7711FA86EFE11942C409B967ED54C1D180091DB33AC72553D6E2A29D406B811657005C3Workingroupsanddiscussthepopulationoftheworld.Thefollowingchartandquestionsmayhelpyou.1.Whichofthese5countrieshasthelargest/smallestpopulation?What’sthepopulationofit?2.Whatcanyoutellfromthepopulationindevelopingcountriesandindevelopedcountries?3.Whatproblemsdoesthelargepopulationcause?4.Whatmeasuresdoyouthinkshouldbetakentosolvethepopulationproblem?one-childpolicyChinahasthelargestpopulation.ThepopulationofChinais1.36billion.Canadahasthesmallestpopulation.ThepopulationofCanadais36million.Thepopulationindevelopingcountriesislargerthanthatindevelopedcountries.Thelargepopulationmaycauselesslivingspace,morepollutionandsoon.e7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6075D6FE8CF171D7711FA86EFE11942C409B967ED54C1D180091DB33AC72553D6E2A29D406B811657005C1bListento1aandmatchtheinformation.1.theworld2.China3.India4.theUSAA.309millionB.6.8billionC.1.3billionD.1.1billione7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6075D6FE8CF171D7711FA86EFE11942C409B967ED54C1D180091DB33AC72553D6E2A29D406B811657005CMakesimilarconversationsaftertheexample.Example:A.:What’sthepopulationoftheworld?B:It’sabout7.2billion.1.theworld2.China3.India4.theUSAA.321millionB.7.2billionC.1.37billionD.1.31billione7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6075D6FE8CF171D7711FA86EFE11942C409B967ED54C1D180091DB33AC72553D6E2A29D406B811657005C1cRead1aandfillintheblanks.

Theworldhasapopulationof7.2billionanditisincreasingby__________everyyear._______hasthelargestpopulation.Ithasalreadyreached____________andIndiais_________with1.27billion.Thepopulationindevelopingcountriesis______andisgrowing________thanthatindevelopedcountries.Luckily,ourcountryhascarriedoutsomepoliciesto________theproblem.82millionChina1.36billionsecondlargerfastersolvee7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6075D6FE8CF171D7711FA86EFE11942C409B967ED54C1D180091DB33AC72553D6E2A29D406B811657005Ce7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6075D6FE8CF171D7711FA86EFE11942C409B967ED54C1D180091DB33AC72553D6E2A29D406B811657005Ce7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6075D6FE8CF171D7711FA86EFE11942C409B967ED54C1D180091DB33AC72553D6E2A29D406B811657005CKeyphrases:1.一则关于……的报告2.在报纸上3.在纸上4.有……人口5.……的人口6.增加了……倍/百分之……7.增加到8.达到某数据9.伸手够到某物10.到达某地11.发展中国家12.发达国家13.实行areporton/aboutinthenewspaperonapieceofpaperhaveapopulationof+数量increaseby+倍数/百分数increasetoreach+数词reachsp.reach（for）sth.thepopulationof+国家/地区developingcountiresdevelopedcountriescarryout=gettosp.=arrivein/atsp.e7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6075D6FE8CF171D7711FA86EFE11942C409B967ED54C1D180091DB33AC72553D6E2A29D406B811657005CKeyphrases:1population意为“人口”,“居民”，常用形容词large或small来表示人口的多少。Chinahasthelargestpopulationintheworld.中国拥有世界上最多的人口。注:常用句式：What’sthepopulationof...?意为“……人口是多少？”拓展：haveapupulationof...意为“有……人口”e.g.Chinahasapupulationof1.3billion.中国有13亿人口。e7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6075D6FE8CF171D7711FA86EFE11942C409B967ED54C1D180091DB33AC72553D6E2A29D406B811657005C1.（1）population的用法①population通常用large/big/small来修饰表示人口的多少。

②提问“人口有多少”常用what,也可以用Howlarge/Howbig提问。Thereare1.4billionpeopleinChina.（对划线部分提问）________the___________ofChina?=______________isthe___________ofChina?练习：Indiahasapopulationof1.1billion.（对划线部分提问）________the___________ofIndia?=______________isthe___________ofIndia?What’s

populationHowlarge/bigpopulationWhat’s

populationHowlarge/bigpopulatione7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6075D6FE8CF171D7711FA86EFE11942C409B967ED54C1D180091DB33AC72553D6E2A29D406B811657005Ce.g.

Thepopulationofthiscityisnearly300000.

这个城市的人口将近三十万。e.g.80%ofthepopulationinChinaarefarmers.

中国百分之八十的人口是农民。thepopulationof+国家/地区eg.Thepopulationoftheworldis7.2billion.apopulationof+数目eg.Chinahasapopulationofover1.4billion.强调人口的具体分布或构成(作复数）population集合名词某地整体人口的数量(作单数）2.（1）population的用法③注意thepopulationof和apopulationof的区别。练习：1.ThepopulationofXingyi________about1million.2.1/5ofthepopulationinthecity_______oldpeople.isaree7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6075D6FE8CF171D7711FA86EFE11942C409B967ED54C1D180091DB33AC72553D6E2A29D406B811657005C用法例句作主语时,谓语动词常用单数Theworld'spopulationisincreasingfasterandfaster.世界人口增长得越来越快。前面有分数或百分数等修饰时,谓语动词用复数AboutseventypercentofthepopulationinChinaarefarmers.中国大约百分之七十的人口是农民。

表示人口"多"或"少",用large/big/smallIndiahasalargepopulation.印度人口众多。

表示"某地有多少人口"的常用句型:某地+hasapopulationof+数词Thepopulationof+某地+be+数词TheUSAhasapopulationof309million.ThepopulationoftheUSAis309million.美国有3.09亿人口。

population的用法e7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6075D6FE8CF171D7711FA86EFE11942C409B967ED54C1D180091DB33AC72553D6E2A29D406B811657005C询问某国、某地有多少人口时,不用"Howmuch/Howmany…?",而用"Howlarge/What…?"。如:你们家乡有多少人口?Howlargeisthepopulationofyourhometown?加拿大的人口有多少?WhatisthepopulationofCanada?e7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6075D6FE8CF171D7711FA86EFE11942C409B967ED54C1D180091DB33AC72553D6E2A29D406B811657005C(2)with在此句中意为“带有，具有”。eg.Theboywithblackhairismypenpal.Chinahasthelargestpopulation______about1.4billionintheworld.Indiahasapopulationof_______1.31billion.withwithe7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6075D6FE8CF171D7711FA86EFE11942C409B967ED54C1D180091DB33AC72553D6E2A29D406B811657005C

Thepopulationindevelopingcountriesislargerthanthatindevelopedcountries.在比较级的句子中，that

通常代替上文中出现过的单数名词或不可数名词，those代替复数名词。如：1.IthinkthebreadinQinyuanismorediliciousthan_______inHaolilai.2.Theshoesinthisshoparecheaperthan_______inthatone.3.TheweatherinXingyiisbetterthan_____inAnshun.thatthosethate7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6075D6FE8CF171D7711FA86EFE11942C409B967ED54C1D180091DB33AC72553D6E2A29D406B811657005C及时练习()1.______thepopulationofGuizhouProvince?A.What’sB.WhatnumberisC.HowmuchisD.Howmanyare()2.Chinahasa______populationandlonghistory.A.manyB.largeC.muchD.small()3.Chinahasamuch_____populationthan_____.A.larger;RussiaB.more;RussiaC.larger;thatofRussiaD.more;thatofRussiaABCe7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6075D6FE8CF171D7711FA86EFE11942C409B967ED54C1D180091DB33AC72553D6E2A29D406B811657005C2.increaseby+数字/倍数/百分数增加了……e.g.Thepriceofthehousehasincreasedbythreetimes.

increaseto+数字增加到……e.g.Thepriceofthehousehasincreasedto500000.

250250250250250250500increas