Unit13　SectionB3a～SelfCheck课件英语九年级全一册

SectionB3a～SelfCheckUnit13We’retryingtosavetheearth！英语回答问题请阅读下面短文，根据所提供的信息，回答5个问题，要求所写答案语法正确、语义完整切题。WhatisEarthHour？

EarthHourisaneventheldbyWorldWildlifeFund（WWF）anditisonthelastSaturdayofMarcheveryyear.DuringEarthHour，peopleturnoffthelightsforonehour.ThepurposeofcelebratingEarthHouristoaskmorepeopletopayattentiontotheclimate（气候）changeandtakeactiontosavetheearth.

In2007，thefirstEarthHourwasheldinSydney.Sofar，morethan7，000citieshavetakenpartinit.

Everyonecanjoininit，includingyou！

HowtoCelebrateEarthHour：

◆Markitonyourcalendar.

Thisyearit’sat8：30p.m.，onMarch27.

◆At8：30p.m.，turnoffthelightsandotherelectronicproducts.

YouneedtoturnoffunnecessarylightsaswellasanyTVs，computers，laptops，andsoon.

◆TellyourfriendsaboutEarthHour.

Themorepeopletakepartinit，themoreenergywillbesaved.

◆ConsiderturningyourEarthHourexperienceintoalifestyle.

EvenwhenitisnotEarthHour，youshouldalwaysturnofflightswhenyouarenotusingthem.

Now，let’sgetreadytocelebrateEarthHour！Saveenergy—loveourEarth！1.WhatdopeopledoduringEarthHour？

Theyturnoffthelightsforonehour.

⁠2.WhydopeoplecelebrateEarthHour？

Toaskmorepeopletopayattentiontotheclimatechangeandtakeactiontosavetheearth.

⁠3.WherewasthefirstEarthHourheld？

InSydney.

⁠4.WhenisEarthHourthisyear？

At8：30p.m.，onMarch27.

⁠5.Dopeopleonlyneedtoturnoffunnecessarylights？

No，theydon’t.

⁠Theyturnoffthelightsforonehour.

Toaskmorepeopletopayattentiontotheclimatechangeandtakeactiontosavetheearth.

⁠InSydney.At8：30p.m.，onMarch27.No，theydon’t.【书面表达】请根据要求完成短文写作。保护地球，人人有责。除了积极参与地球一小时活动之外，我们还能做些什么去保护环境呢？正在征集环保主题的文章。请你根据以下思维导图内容提示用英语写一篇题为“SavetheEarth”作文，向该网站投稿。作文要求：（1）

可在思维导图内容提示的基础上适当拓展信息。（2）

不能照抄原文；不得在作文中出现真实校名、地名和学生的真实姓名。（3）

语句连贯，词数70左右。作文的标题和开头已经给出，不计入总词数。【句型训练】1.此外，自然灾害比以前发生更加频繁了。（naturaldisaster，besides）

Besides，naturaldisastershappenmoreoftenthanbefore.

⁠2.对我们来说阻止人浪费食物很重要。（prevent…from）

It’simportantforustopreventpeoplefromwastinganyfood.

⁠Besides，naturaldisastershappenmoreoftenthanbefore.

It’simportantforustopreventpeoplefromwastinganyfood.

⁠4.让我们一起行动起来，保护环境，拯救地球。（takeaction）

Together，let’stakeactiontoprotecttheenvironmentandsavetheearth.

⁠Together，let’stakeactiontoprotecttheenvironmentandsavetheearth.

⁠3.再者，我们应该鼓励周围的人们这样做。（encourage）

What’smore，weshouldencouragepeoplearoundustodoustodoto

What’smore，weshouldencouragepeoplearoundustodoso.

⁠【写作思路】人称：第一人称时态：一般过去时和一般现在时

保护地球【短文写作】SavetheEarthOurearthwashealthyandbeautifulinthepast.However，

theriversarebecomingdirtieranddirtierandthetreesarefewerandfewernow.Thenumberofwildanimalsisgettingsmallerandsmaller.Besides，naturaldisastershappenmoreoftenthanbefore.

theriversarebecomingdirtieranddirtierandthetreesarefewerandfewernow.Thenumberofwildanimalsisgettingsmallerandsmaller.Besides，naturaldisastershappenmoreoftenthanbefore.

Whatcanwedothen？Ithinkeverybodycandosomethingtohelpsavetheearth.Forexample，weshouldn’tthrowrubbisheverywhere.It’simportantforustopreventpeoplefromwastinganyfood.Wecanalsousebothsidesofthepaperandplantmoretrees.What’smore，weshouldencouragepeoplearoundustodoso.

Together，let’stakeactiontoprotecttheenvironmentandsavetheearth.

⁠

Whatcanwedothen？Ithinkeverybodycandosomethingtohelpsavetheearth.Forexample，weshouldn’tthrowrubbisheverywhere.It’simportantforustopreventpeoplefromwastinganyfood.Wecanalsousebothsidesofthepaperandplantmoretrees.What’smore，weshouldencouragepeoplearoundustodoso.

Together，let’stakeactiontoprotecttheenvironmentandsavetheearth.

⁠————基础夯实————一、

根据句意及首字母提示补全单词。1.Theladyisnotbeautifulatall.Infact，sheisveryugly

⁠.2.Ifyoubreakthelaw

⁠，youmaybeputintoprison.3.That’stooexpensiveforme.Idon’tthinkIcanafford

⁠it.4.Somefishermen

⁠wenttothebeachtoseewhathappenedtothebigfish.5.Wearegoingtorecycle

⁠allofourplasticbags.glyawffordishermenecycle二、完成句子，每空一词。1.为了帮助她，我们必须采取行动。Wemust

take

⁠

action

⁠inordertohelpher.2.许多医生相信，吸烟有害于身体健康。Plentyofdoctorsbelievesmoking

is

⁠

harmful

⁠

to

⁠health.3.买这件外套估计最少会花500元。It

will

⁠

cost

⁠

at

⁠

least

⁠500yuantobuythiscoat.4.你听说过那个美丽的地方吗？Haveyou

heard

⁠

of

⁠thebeautifulplace？takeactionisharmfultowillcostatleastheardof5.工人们正在拆毁一所旧房子。Theworkersare

pulling

⁠

down

⁠anoldhouse.pullingdown————能力提升————三、

语法选择。

Cycads（苏铁植物）growinwarmplaces.Theyaretallandgreenallyearround.Theirleavesgrowonthetopandflowersseldomcomeout.Somehavebrightorangefruits.Theyusuallyneed

1

⁠yearstogrowintoadultplants.

Cycads

2

⁠problemsnow.InSouthAfrica，

3

⁠situationofcycadsisgettingterrible，butthishasdrawnlittleattentionfromthepublic.“Infact，thereare38kindsofcycadsinSouthAfrica.Amongthem，2kindshavedisappearedsince2003and25kindsareingreatdanger，”saidagardener.“Doyouknowwhat

4

⁠plantisintheworld？ItisWood’sCycad.Someonefounditinaforestin1895.Itistheonlyoneofitskind.”

Sowhatcausescycadstobeindanger？Surprisingly，thedangerisfromthepeople

5

⁠lovethemmost.Theseslow-growingadultcycadsevensellfortensofthousandsofdollarseach.Astimegoesby，theyhavebecomeasymbol

6

⁠wealthandposition（地位）insociety.Thismakescycadlovers

7

⁠toownmore.Cycadloversbuyandplantthemintheirprivategardens.Asaresult，nearlyallthesecycadsdie

8

⁠thelivingconditionshavechanged.

Recently，theSouthAfricangovernment

9

⁠someactionstoprotectcycadsfrombeingstolenandtraded.Atthesametime，peoplearoundtheworld

10

⁠alsoworktogethertoprotecttheplants.（

C

）

B.hundredof

C.hundredsof（

B

）

B.arefacing

C.havefaced（

C

）

B.an

C.the（

C

）

B.lonelier

C.theloneliest（

A

）

B.which

C.what（

B

）

B.of

C.from（

A

）

B.towant

C.wanting（

B

）

B.because

C.but（

C

）

B.took

C.hastaken（

A

）

B.may

C.shouldn’tCBCCABABCA四、完形填空。

Inthepast，mandidnothavetothinkabouttheprotectionoftheenvironment.Therewerenotmanypeopleonearth，andnaturalresourcesseemedtobe

1

⁠.

Today，thingsaredifferent.The

2

⁠hasbecometoocrowded.Weare

3

⁠ournaturalresourcestooquickly，andatthesametimewearepollutingourenvironmentwithdangerouschemicals.Ifwecontinuelikethis，humansonearthwill

4

⁠.

Iftoomanyfishesaretakenfromthesea，therewillsoonbenoneleft.Yet，withmodernmethods，moreandmore

5

⁠arecaught.Weknowthatiftoomanytreesarecutdown，forestswill

6

⁠andnothingwillgrowontheland.Yet，we

7

⁠tocutdownmoreandmoretrees.

Werealizethatifriversare

8

⁠，wewilldie.However，inmostcountrieswasteproductsarestillputintoriversorthesea，andthereare

9

⁠lawstostopthis.

Weknowthatifthepopulationoftheworldcontinuestoriseatthepresentrate，inafewyears，therewillnotbeenough

10

⁠.Ifthereisnothingtoeat，wewilldie，too.

Whatcanwedotosolvetheseproblems？（

B

）

B.rich

C.good

D.free（

A

）

B.street

C.supermarket

D.park（

B

）3.A.lookingfor

B.usingup

C.leavingaway

D.stoppingfrom（

D

）

B.rest

C.sleep

D.die（

C

）

B.elephants

C.fishes

D.birds（

B

）

B.disappear

C.come

D.continue（

C

）

B.need

C.continue

D.start（

D

）

B.moved

C.recycled

D.polluted（

A

）

B.afew

C.little

D.alittle（

D

）

B.houses

C.money

D.foodBABDCBCDAD五、短文填空。请从方框内选择适当的词并用其正确形式填空，使文章完整连贯。注意每空一词，每词仅用一次，有两词为多余项。

to

up

rubbish

off

we

whichever

tree

protect

because

different

whatever

actSaveOurEnvironment

Thereisnodoubtthatglobalwarminghasbecomeoneofthebiggestproblemswefacetoday.Soit’simportantforusto1.

protect

⁠ourenvironment.protect

Asmiddleschoolstudents，whatcanwedo？Firstofall，trytoridebicyclesandtakebusestoschoolinsteadofcars2.

because

⁠itwillmakelessCO2（二氧化碳）.Itcannotonlybegoodforourhealth，butalsomakeitpossibleforustogetclose3.

to

⁠nature.Then，it’snecessarytopickup4.

rubbish

⁠andputitintodustbins.Plantingmore5.

trees

⁠canalsohelpalot.Weshouldneverforgettoturn6.

off

⁠thelightwhenweleavetheclassroom.becausetorubbishtreesoff

Ithinkeveryoneshouldtake7.

action

⁠tosaveourearth.Andeventhesimplestthingcanmakea8.

difference

⁠toourenvironment.Sodon’tputitoff！Let’sdo9.

whatever

⁠wecaninordertoprotectourhome.Ibelievewewillmake10.

our

⁠homemoreandmorebeautiful.actiondifferencewhateverour现在进行时1.现在进行时表示现在（说话瞬间）正在进行或发生的动作或状态。

Look，thestudentsarelisteningtotheteachercarefully.看，学生正在认真听老师讲课。

2.现在进行时常见的提示词有now，atpresent，atthemoment，thesedays，fromthreetofive，look，listen等。（1）一般在词尾加-ing。如：look→looking

play→playing（2）以不发音的字母e结尾，去e再加-ing。如：write→writing

take→taking（3）以辅音字母结尾的重读闭音节词，先双写该辅音字母再加-ing。如：stop→stopping

begin→beginning（4）以字母ie结尾的词，变ie为y，再加-ing。如：die→dying

lie→lying3.动词-ing形式的构成方式：现在完成时1.含义：表示过去发生的动作对现在还有影响。2.基本结构：主语

＋have/has＋

过去分词3.基本用法：（1）表示过去发生的动作，但强调对现在产生了影响。特征：不能与表示具体时间的状语连用。（2）表示过去发生的动作或存在的状态一直延续到现在，还可能继续下去。常与since，for，“inthepast/last＋时