仁愛(ài)版九年級(jí)上冊(cè)英語(yǔ)教案：Unit 1 Topic 2 Section B

Topic2Thepopulationindevelopingcountriesisgrowingfaster.

SectionB

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I.Materialanalysis

本課是九年級(jí)第一單元第二話題的第二課時(shí)，主活動(dòng)是la和2。本課通過(guò)談?wù)摳鲊?guó)的人口數(shù)量，復(fù)習(xí)比較級(jí)的基本句型，學(xué)習(xí)高位數(shù)的表達(dá)。1b通過(guò)

連線題，訓(xùn)練學(xué)生聽(tīng)懂高位數(shù)的能力。1c通過(guò)把對(duì)話轉(zhuǎn)換為段落來(lái)鞏固la的內(nèi)容。2重點(diǎn)學(xué)習(xí)高位數(shù)的讀法。3讓學(xué)生通過(guò)讀圖來(lái)操練高位數(shù)的讀法。為

了降低la和3的難度，建議將2調(diào)整到la前，作為一個(gè)讀前的活動(dòng)。通過(guò)談?wù)摳鲊?guó)人口的現(xiàn)狀，引導(dǎo)學(xué)生樹(shù)立正確的人口觀念。

II.Teachingaims

1.Knowledgeaims：

掌握本課的重點(diǎn)詞匯和短語(yǔ)，復(fù)習(xí)形容詞比較級(jí)的用法，繼續(xù)學(xué)習(xí)數(shù)字表達(dá)。

2.Skillaims:

能聽(tīng)懂高位數(shù)字，并作出正確判斷。

能通過(guò)整合對(duì)話內(nèi)容，提升綜合語(yǔ)言運(yùn)用能力。

3.Emotionalaims:(optional)

增強(qiáng)學(xué)生對(duì)人口問(wèn)題的認(rèn)識(shí)，了解各國(guó)的人口現(xiàn)狀。

增強(qiáng)學(xué)生關(guān)注社會(huì)的意識(shí)。

4.Cultureawareness:(optional)

通過(guò)對(duì)比發(fā)達(dá)國(guó)家和發(fā)展中國(guó)家的人口增長(zhǎng)情況，引導(dǎo)學(xué)生樹(shù)立正確的人口觀念。

III.Thekeypointsanddiflicultpoints

1.Keypoints:

Wordsandphrases:population,billion,increase,reach,Russia,luckily,policy,measure

indeveloped/developingcountries,haveapopulationof...,increaseby,carryout,theone-childpolicy

Sentences:(1)Itsaystheworldhasapopulationof6.8billion.

(2)Itisincreasingby80millioneveryyear.

(3)Whichcountryhasthelargestpopulation?

(4)一What'sthepopulationoftheUSA.?

—It's...

(5)Soitis.

(6)Thepopulationproblemismoreseriousindevelopingcountries.

Grammar:GoonlearningandusingPresentPerfect.

2.Difficultpoints：

能更快更好的聽(tīng)懂和朗讀高位數(shù)字。

能正確使用數(shù)字表達(dá)各國(guó)的人口現(xiàn)狀。

IV.Learningstrategies

通過(guò)1b的匹配練習(xí)，提升聽(tīng)的語(yǔ)言技能。

通過(guò)la的朗讀訓(xùn)練，能夠準(zhǔn)確、清楚地進(jìn)行朗讀，培養(yǎng)語(yǔ)感和自信心。

通過(guò)2的數(shù)字練習(xí)，能夠抓住數(shù)字的表達(dá)規(guī)律。

通過(guò)3的圖表描述，能夠評(píng)價(jià)自己的學(xué)習(xí)情況，找出不足。

V.Teachingaids

單詞卡片（如：population,billion等）；多媒體課件；錄音機(jī)；世界人口示意圖；小黑板。

VI.Teachingprocedures

StageInteraction

TeacheractivityStudentactivityRemarks

(timeperiod)patterns

Greeting.Greeting.可以播放數(shù)字歌，來(lái)復(fù)習(xí)簡(jiǎn)單

T:Hello,hoysandgirls!Ss:Hello...的數(shù)字。

T:Nowletshaveacompetitioningroups.MakenewSI:Ihavealreadyfinishedmy

Revision

1Groupworksentencesbyusingthesewords("just”,never0,homework...

(2-3mins)

“yet","eyer"and,lalready,f)withintwominutes.S2...

2Lead-inIndividualPresenttheinformationaboutpopulationindifferentPresenttheinfonnationabout培養(yǎng)學(xué)生整理信息，傳達(dá)信息

(2-3mins)workcountries.populationindifferentcountries的能力。

T:Excellent!Youhavealreadysearchedfarthetheyhavecollectedbeforeclass.建議：此處可以中英文混用。

infonnationabouttheDODidationindifferent

countries,haven\you?Ss:Yes,wehave.

Ss.?.SI:Chinahasapopulationof1.3

T:OK,who'dliketobethefirstonetoshareyourbillion.

infonnation?Volunteers?S2:Indiahas...

ClassactivityStep1:Presentthenewwords.Trytounderstandthenewwords教師應(yīng)板書所學(xué)生詞和短語(yǔ)，

T:Thatsright.Chinahasapopulationof1.3billion.accordingtotheteacher's以便學(xué)生整體把握重點(diǎn)。

Butitisincreasingbyabout10millionevetyyear.explanation.

HowlargeChinesepopulationis!Luckily,China

Pre-listeninghascarriedouttheone-childtocontrolit.Do

3

(lOmins)youknowwhatthepopulationofRussiais?

Ss:143million.

T:Yes,thepopulationindevelopinRcountriesisSs:143million.

largerthanthatindeveloDedcountries.

Ss:...

individualStep2:GetSstoreadandguidethemtomasterthe教師可以根據(jù)實(shí)際情況增加

work.rulesabouthowtoreadthenumbers.AskthemtoReadthenumbers,masterhowto數(shù)字練習(xí)環(huán)節(jié)。

payattentiontothepronunciation.expressthelargenumbers在活動(dòng)2中要引導(dǎo)學(xué)生注意并

T:Chinahasapopulationof1.3billion.Butdoyouaccordingtotheteacher's列詞組間的語(yǔ)音語(yǔ)調(diào)。

knowhowtoexpressthelargenumberslike1300explanation.

000000.Firstletslookattheblackboard.

2183065366

(LeadSstoreadnumbersfromthesimplenumbers

tolargeoneslikemillionandbilliono)

Si：Twohundredandeighteen,

S2：Threehundredandsix.

S3：Fivethousand,threehundredandsixty-six.

(Concludetherulesabouthowtoreadnumbers.)Si：TWOhundredandeighteen.

T:Now,lookatthesenumbers.Canyoureadthem?S2：Threehundredandsix.

73654787360627198764501S3：Fivethousand,threehundred

(GuidetheSstolearntherulesofreadingnumbers.andsixty-six.

Thenpractice.)

S4：736547sevenhundredandthirty-sixthousand,

fivehundredandforty-seven.

T:Now,Iwillasksomeotherstudentstoreadother

numbers.

S5：8736062eightmillion,sevenhundredand

thirty-sixthousandandsixty-two.

S4：736547sevenhundredand

Se：7198764501sevenbillion,onehundredthirty-sixthousand,fivehundred

andninety-eightmillion,sevenhundredandandforty-seven.

sixty-fourthousand,fivehundredandone.

T:Youaregreat.MostofyouhavemasteredhowtoS5：8736062eightmillion,seven

readthenumbers.Pleaselookatthenumbersin2.hundredandthirty-sixthousand

Readthemtogether.andsixty-two.

S6：7198764501

Sevenbillion,onehundredand

ninety-eightmillion,seven

hundredandsixty-fourthousand,

fivehundredandone.

Ss...

Listenandfinishlb.回答連線題時(shí)，要求學(xué)生使用

Step1:GettheSsreadyforlistening.Thenlisten

IndividualSI:Theworldhasapopulation完整的句子作答，有助于培養(yǎng)

andfinishlb.

workof6.8billion.語(yǔ)感，更好地運(yùn)用短語(yǔ)和句

T:Therearesomanypeopleintheworld.Right?

S2:Chinahasapopulationof1.3子。

What'sthepopulationoftheworld?

hillion.

Ss...

S3:Indiahasapopulationof1.1

T:Maybesomeofushavelearntaboutit.OK.,lets

While-listeningbillion.

4listentothetapeandfinishlb.

(10mins)S4:TheUSAhasapopulationof

309million.

T:It'snotdifficult.Nowshareyouranswerswith

others.Whocantry?

Step2:Listentolaagainandpayattentiontothe

Listentolaandpayattentionto學(xué)習(xí)語(yǔ)言，讀的過(guò)程很重要，

pronunciationandintonationandthenactoutla.

Classactivitythepronunciationandintonation教師可以根據(jù)班級(jí)情況，分配

andthenroleplayla.朗讀的方式和時(shí)間。

GroupworkStep1:Readlaagain,gettheSstounderlinetheReadtheconversationthoroughly小組內(nèi)不能解決的問(wèn)題，組間

usefulexpressionsanddiscusstheusageoftheminandunderlinethepointstheydo可以互相幫助解決，老師可以

groups.notunderstand.適時(shí)適當(dāng)?shù)狞c(diǎn)撥。該環(huán)節(jié)教師

T:Readtheconversationagain,underlinethe應(yīng)提供參考資料和方法指導(dǎo)，

difficultphrasesandsentences.Youcanlookup以提升學(xué)生的自學(xué)能力和克

theminthedictionaryoraskyourclassmatesand服難關(guān)的意識(shí)。

Post-listening

5teacherforhelp.

(15mins)

Finish1cafterreadingla.

IndividualStep2:Finish1caccordingtola.

workT:Nowletsreadlaandcompletethepassagein1c.

T:OK,whocanshareyouranswerswithus?

Project:WorkingroupsanddiscusstheinformationWorkingroupanddisussthe教師合理安排該部分，不僅可

ofthechartin3.informationofthechartin3.以鞏固前面所學(xué)，提高學(xué)生的

6Finishingtask3Groupwork

T:Lookatthechartin3anddiscussthem.The口語(yǔ)水平，還能增強(qiáng)學(xué)生對(duì)人

questionscanhelpyou.口現(xiàn)狀的了解。如果時(shí)間充

???裕，可以在課堂上匯報(bào)一下討

論結(jié)果；如果時(shí)間不夠，也可