人教版九年級英語上冊《Unit 8 Section B 2a-2e》教學(xué)課件PPT初三優(yōu)秀公開課

Unit

8 SectionB

2a-2e人教版

英語

九年級

上冊Tolearnthewordsandexpressions:express,circle,receive,leader,medical,purpose,prevent,energy,position,victory,enemy,period,atthesame

time...Toreadandunderstand2b,thencomplete2cand

2d.Ifyoulike,youcanknowmoreaboutother

mysteries.something

strangerunforexercisecatcha

busbelatefor

workmakea

movie跟在……后面跑；追趕……奇怪的事情跑步鍛煉身體趕公共汽車上班遲到拍電影Words

Reviewrun

after一、用must或can的適當(dāng)形式填空。besomeoneintheclassroombecause

thebe

atalkwitheachotherduring

theexam,oryouwillbeaskedto

leave.1.Theboywhoisplayingfootballontheplayground

c_a_n_’t

beHarry.Hedoesn’tcometoschool

today.2.There

_mu_s_t

lightis

on.3.ManypeoplegotoSanyatotravel.It

mu_s_t

beautiful

place.4.You_mu_s_t_n_’_t_/

c_a_n_’_t二、根據(jù)漢語意思和括號中的英文提示完成句子。她一定有二十多歲了。(must

be)Shemustbeover/morethantwentyyears

old.那雙鞋不可能是我姐姐的,因為她不喜歡紅色。(can’t

be)Thatpairofshoescan’tbemysister’sbecauseshedoesn’tlike

red.Readthesentencesbelow,payingattentiontotheunderlinedparts.Itwassnowing,andso

Icouldnotgo

out.AsIamverytired,Iamgoingto

bed.Istudybecause

Iwantto

learn.Sinceitislate,Ishallgohome

now.Thewatchwascheap,butitgoesquite

well.Wealltriedourbest.However,welostthe

game.Thoughthetaskwasdifficult,theymanagedtofinishiton

time.Wemustnotonlyfinishourtaskbutalso

doit

well.Youcangobyairor

by

train.Iwasreadingamagazinewhen

hecamein.

WhileMarywaswritingaletter,thechildrenwereplaying

outside.連詞是一種連接詞與詞、短語與短語以及句與句的虛詞，它不能獨立擔(dān)任句子成分而只起連接作用。表示前因后果的連詞有：so(所以)等;表示原因的連詞有：because,

since,as等；表示意義轉(zhuǎn)折的連詞有：but, however,though;notonly…but

also表示遞進(jìn)意義,“不僅……而且”;表示選擇關(guān)系的連詞有：or

(或者;還是);表示兩個動作同時進(jìn)行的連詞有：when,

while等。2aMatcheachlinkingwordorphrasewithits

purpose.Linkingword

orphrasePurposeoflinkingwordor

phrasesoas,because,

sincebut,however,

thoughnotonly…

butalsoorwhen,

whileexpressinga

differencegivinga

choiceexpressinga

resultexpressingtwothingshappening

atthesame

timegiving

reasonsadding

informationHaveyoueverheardof

Stonehenge?Whereis

it?Whyisit

famous?TheStonehengeisfamousasitisahistoricalarchaeologicalstructurethatisbelievedtohavebeenbuiltbetweentheyears3,000BCand2,000BC.Itisbelievedtheareaservedasaburialground(墓地)asthebonestructures(骨結(jié)構(gòu))that

werefound

canbedated

to3,000BCandcontinuedforabout500

years.2bReadthearticlebelowandunderlinethelinkingwordsandphrases.Doyouthinkyouhavemadecorrectmatchesin

2a?notonly…butalso,

as,however,

because,As,but,

or,because,but,And,but,

andStonehenge—Can

AnyoneExplainWhyItIs

There?Stonehenge,arockcircle,isnotonlyoneofBritain’smostfamoushistoricalplaces,butalsooneofitsgreatest

mysteries.Everyyearitreceivesmorethan750,000visitors.EspeciallyinJune,peoplegotothisplaceastheywanttoseethesunrisingonthelongestdayoftheyear.Formanyyears,historiansbelievedStonehengewasatemplewhereancientleaderstriedtocommunicatewiththegods.However,historianPaulStokerthinksthiscan’tbetruebecauseStonehengewasbuiltsomanycenturiesago.“TheleadersarrivedinEnglandmuchlater,”hepoints

out.AnotherpopularideaisthatStonehengemightbeakindofcalendar.Thelargestoneswereputtogetherinacertain

way.Onmidsummer’smorning,thesunshinesdirectlyintothecenterofthestones.Otherpeoplebelievethestones

haveamedicalpurpose.Theythinkthestonescanpreventillnesswhilekeepingpeoplehealthy.“Asyouwalkthere,youcanfeeltheenergyfromyourfeetclimbupyourbody,”saidonevisitor.NooneissurewhatStonehengewasusedfor,butmostagreethatthepositionofthestonesmustbeforaspecialpurpose.Somethinkitmightbeaburialplace,oraplacetohonorancestors.Othersthinkitwasbuilttocelebrateavictoryoveran

enemy.Stonehengewasbuiltslowlyoveralongperiodof

time.Mosthistoriansbelieveitmustbealmost5,000yearsold.Oneofthegreatestmysteriesishowitwasbuiltbecausethestonesaresobigandheavy.In2001,agroupofEnglishvolunteerstriedtobuildanotherStonehenge,buttheycouldn’t.“Wedon’treallyknowwhobuilt

Stonehenge,”saysPaulStoker.“Andperhapswemightneverknow,butwedoknowtheymusthavebeenhard-working—andgreatplanners!”Part1(Para.

1)Part2(Para.

2&3)Part3(Para.

4)DifferentideasaboutthepurposesofStonehenge’sMysteries

aboutStonehengeGeneralintroductionofStonehengeRead2bandmatcheveryparagraphwiththemain

idea.Readthearticleagainandanswerthe

Qs.HowmanypeoplevisitStonehengeevery

year?Morethan750,000

visitors.WhoisPaulStocker?Heisa

historian.DopeoplethinkithardtobuildStonehenge?Why?Yes,becausethestonesaresobigand

heavy.Readpara.1 Generalintroductionof

StonehengeStonehengenotonly…but

also…shape

?A rock

c_i_rc_l_e_Whyisitfamous

?themostfamous_h_i_st_o_r_ic_a_lplacethe greatest

my_st_e_r_y Where

?in

_B_r_i_t_a_in_Visitor?receivemorethan

750,000visitorsPeople

like

togo

in

_J_u_nesee the

sun

r_is_i_n_g templecommunicatewiththe

godspreventillnessandkeeppeoplehealthybecauseitdirectly

related

to the

suncalendaraburialplaceoraplacetohonor

ancestorswasbuilttocelebrateavictoryoveran

enemya

medicalpurposeReadParagraph2,3andcompletethemindmap.ideas supportingideasWedon’tknowwhobuilt

it

but the

buildersmusthavebeen_h_a_r_d_-_w_o_r_k_inganda

great

p_la_n_n_e_r Becausethestones

are

so

b_i_g andheavy

.Oneofthegreatestmysteriesis_d_i_ff_e_re_n_c_eWhy?ReadParagraph4andcompletethefollowing

sentences.的)In

2001,

some

volunteers

tried

to

build

another

Stonehenge,failed.b_u_tStonehenge,arock_c_i_rc_l_e_,is_n_o_t_o_n_l_y_oneofBritain’smostfamoush_i_st_o_r_ic_a_l_

places,

_b_u_t_a_ls_o oneof

its

greatest m

ysteries .Asfor

itsmysteries,different

people

have differentopinions.MosthistoriansthoughtStonehengewasa

temple

_wh_er_e_ ancientl_e_a_d_e_r_s_(lead)communicatedwiththe

gods.

_H_o_we_ve_r ,othersbelieveditmightbeakind

of

calendar _b_e_c_a_u_s_e

itdirectlyrelatedtothesun.some

other peopleholdtheviewthatthestones

can

_p_r_e_v_ent illnessandkeeppeople

healthy.AlthoughnooneissurewhatStonehengewas

used

for, theyagree

thatthe

p_o_s_it_i_on_ （位置）of

the

stones

must

be

for

a

special

_p_u_r_p_o_s_e

.(目2cReadthearticleagainandcompletethe

chart.Mysteries

aboutStonehengeWhatStonehengemight

havebeenusedfor

…Whobuilt

it?Whatwasitused

for?/Whywasit

built?Howwasit

built?asatemplewhereancientleaderstriedtocommunicatewiththe

godsakindofcalendarhaveamedical

purposemightbeaburialplaceor

aplacetohonor

ancestorscelebrateavictoryoveran

enemypeoplegotoStonehengeduringthis

month.2.Thesunshinesstraightinto

the2d Completethesentencesusingthewordsfromthechartin

2a.1.Midsummerdayis

inJune

a_n_d alot

ofStonehenge thestoneswereputinaspecialpositioans.Somepeoplethinktherockscan

n_o_t

o_n_ly

stoppeoplefrombecomingill

b_u_t_a_l_sokeepthem

healthy.Wedon’tknowwhobuiltStonehenge

a_n_d_howitwasbuilt.HistoriansthinkStonehengewasbuiltabout5,000yearsago;_h_o_we_v_er_,theyarenot

sure.InterestingandFunStonehengeFactsfor

KidsStonehengeseemstobethecenterofmanyBronzeAgeandNeolithicmonuments.YoucanfindhundredsofburialmoundsintheareathatsurroundsStonehenge.StonehengeitselfismanagedbyEnglishheritageandisownedbythecrown.In2008evidencewasuncoveredthatStonehengemayhavebeenaburialsitewellbeforeStonehengeitselfwas

constructed.OneofthestonetypesusedtoconstructStonehengeiscalledaSarsenStone.Thesesstonesweighed25tonsandwereabout18feet

tall.ThereismorethanmeetstheeyewithStonehenge.Thedesignersandbuildershadtobeextremelysophisticatedingeometryandmathematics.Itisalignedwithmidwintersunsetandthemidsummer

sunset.Stonehengeisthemostwell-knownoftheover900differentstoneringsintheBritishIsles.Itisestimatedthatittookaround30millionhoursoflaboroveraspanof1,500yearstoconstruct

Stonehenge.2eCanyouthinkofanyothermysteries,eitherinChinaoranotherpartoftheworld,thataresimilartoStonehenge?Whatdoyouknowaboutthese

mysteries?

What ismysteriousaboutthem?Disscussthemwithyour

group.BuildingswithMysterious

OriginsNanMadolisaruinedcitynexttotheeasternshoreofthe

islandofPohnpei.Itistheonlyknownancientcityeverbuiltontop

ofacoral

reef.Nan

Madol(南馬都爾)Skarabrae

(斯卡拉布雷)excellent

preservation.BuildingswithMysterious

OriginsItisastone-builtsettlement.ItisthebestpreservedgroupsofprehistorichousesinWesternEurope.OlderthanStonehenge

andtheGreatPyramids,ithasbeencalledthe"ScottishPompeii"becauseof

itsNewport

tower(紐波特塔)ItisaroundstonetowerlocatedinTouroParkinNewport,RhodeIsland(USA).Itiscommonlyconsideredtohavebeenbuiltinthemid-17thcentury.Itisoneofthiscountry'slongestenduringarchitecturalenigmas

(謎).BuildingswithMysteriousOriginsStatuesofEaster

Island(復(fù)活節(jié)島巨石像)EasterIslandisinthesouthernPacificOcean,2,300mileswestofthecoast.EasterIslandisonly15mileslongand10mileswide.Itiscoveredwithhundredsofgiantstatutes,eachweighingseveraltonsandsomestandingmorethan30feettall.Ithasevenbeensuggestedthatspacealiensmayhaveplayeda

roleregardingthesegiant

statues.BuildingswithMysteriousOriginsOlmeccolossalheads(1500BCto400