Unit13SectionA课件人教版英语九年级全册

Unit13We’retryingtosavetheearth！

SectionA（1a～2d）一、从方框中选择适当的单词并用其正确形式填空。plastic，ugly，litter，coal，cost1.Thefewer

bagsweuse，thelesspollutiontherewillbe.2.

isnotrenewable（可再生的），itwillrunoutoneday.3.Ifnoone

inpublicplaces，ourenvironmentwillbebetter.4.Thebackpack

me300yuanyesterday.5.Idon’tlikewearingthepinkskirtbecauseIlook

⁠init.plastic

Coal

litters

cost

ugly

二、根据语境，用所给单词的适当形式填空。1.Theseoldmenusedtobe

（fisherman）.2.Theoldmanprefersa

（wood）chairtoasofa.3.Ididn’tbuythewatchbecauseit

（cost）toomuch.4.Pleasedon’tcompareyourchildrenwithothers.Theyhavetheir

⁠

（advantage）.5.Her

（act）tellusalotaboutherpurpose.fishermen

wooden

cost

advantages

actions

三、根据中文意思，补全英语译文。（每空限填一词，缩写算一词）1.请在聚会后把房间打扫干净。Please

⁠theroomaftertheparty.

2.骑自行车去上学对减少空气污染有帮助。Goingtoschoolbybikeishelpfulto

⁠theairpollution.3.在这本书每一页的底部都写着一句谚语。Asayingiswritten

⁠eachpageinthisbook.4.我们的行动能起作用，并且能引领一个更加美好的未来。Ouractionscanmakeadifferenceand

⁠abetterfuture.5.参加社会实践活动对我们有帮助。It’shelpfulforusto

⁠insocialpracticalactivities.clean

up

cut

down

at

the

bottom

of

lead

to

play

a

part/role

四、

完形。从框内7个选项中选出能分别填入6个小题空白处的最佳选项。A.friends

B.blowing

C.but

D.lower

E.with

F.take

G.our

Treesaregreatlyusefultomaninourdailylife.Theycleantheairandprovideus

1.

manythings，suchaswood，oxygenandmedicine.Alongwithotherplants，

theycoverthesoilandstopthewindfrom2.

theearthaway.Theyareman’sgood

3.

.Treescanalsoadjust（调节）thetemperature.Insummer，thetemperature

underthetreeis4.

⁠thanthatoftheopenair.Andalotofwatercanbesavedby

them.Butnowmanypeoplehavecuttreesdown.Theweatherchangesalotinthat

case.Manyscientistscallonpeopleto5.

⁠actiontosavetheearth.Weshouldtry

6.

⁠besttoprotecttrees.E

B

A

D

F

G

❶litter的用法（1）作不可数名词，意为“垃圾；废弃物”，与rubbish同义。如：Thereissomelitterontheroad.路上有一些垃圾。（2）作动词，意为“乱扔”。如：Weshouldn’tlitterthethings.Theyarebadforourenvironment.我们不应该乱扔这些东西。它们对环境是有害的。❷cut

down

的用法（1）意为“砍伐；砍倒”

如：Ineedtocutdownthistreebeforeitfallsonthehouse.在这棵树砸到房上之前，我需要砍倒它。（2）意为“减少；削减”如：IneedtocutdownonmyspendingifIwanttosavemoney.如果我想省钱，我需要减少开支。【拓展】cut的其他相关短语：cutoff切除

cutup切碎

cutin插话；插嘴

cutout删除；删去❸advantage

n.优点；有利条件其反义词为disadvantage，意为“缺点；不利条件”。theadvantageof……的优点如：Theyhadtheadvantageofplayingbeforetheirhomecrowd.他们有在主场观众面前

比赛的优势。❹make

a

difference

影响；有作用difference前可用big，great等修饰，表示影响的程度。makeadifferenceto对……产生影响如：Theaccidenthasmadeagreatdifferencetoher.这次事故对她产生了重大影响。❺lead

to

的用法（1）意为“引起（结果等）”如：Theheavyrainledtoaflood.大雨导致了洪水。（2）意为“（道路等）通往……”如：AllroadsleadtoRome.条条大路通罗马。【拓展】（1）leadsb.to＋地点

把某人带到某地如：Theroadledthemtoasmallwoodenhouse.那条路把他们引向一个小木屋。（2）leadsb.todosth.引导某人做某事如：Whatledyoutothinkso？是什么让你这么想的？Unit13We’retryingtosavetheearth！SectionA（3a～4c）一、根据句意及汉语提示填写单词。1.Chinahaspasseda

（法律）toprotecttheYangtzeRiver，whichisthe

longestriverinourcountry.2.I’vealwayswantedtogoonawonderfulholiday.ButIcan’t

（承担得起）

it.3.Computersarewidelyusedinthe

（工业）tohelpfinishtheworkmore

quickly.4.It’s

（残忍的）ofthemtokillwildanimalsformoney.5.Wewillgiveawayourmoneyto

（科学的）studiesonspace.law

afford

industry

cruel

scientific

二、根据语境，用所给单词的适当形式填空。1.Pandasare

（danger）animals.Weshouldprotectthem.2.I

（finish）halfoftheworksofar，andIwillfinishtherest

tomorrow.3.Smokingis

（harm）toyourhealth.Youmustgiveitup.4.ThenumberofbikeridersinBeijing

（increase）greatlysincethe

governmentbuiltmorecycleways.5.Whatkindof

（transport）doyouusetogotoschool？6.Ican’tafford

（fail）thetest，soImustworkhard.endangered

havefinished

harmful

hasincreased

transportation

tofail

三、根据中文意思，补全英语译文。（每空限填一词，缩写算一词）1.在海洋生态系统里，哪种动物在食物链的顶端？Whichanimalis

thefoodchainintheocean’s

ecosystem？2.你会为你的话付出代价的！You’ll

whatyousaid！3.每个人都应该参与纸张回收。Everyoneshould

⁠recyclingpaper.4.很多人听说过刘传健。电影《中国机长》就是根据他的故事改编的。Manypeoplehave

LiuChuanjian.ThefilmThe

Captainisbasedon

hisstory.at

the

top

of

pay

for

take

part

in

heard

of

5.在为时已晚之前马上采取行动！

atoncebeforeit’stoolate！

6.已经很晚了，是时候合上书，关掉电脑了。It’stoolateintheevening：timetoclosethebookand

⁠thecomputer.Take

action

turn

off

四、完形。Likemostchildrengrowingupinthecountryside，Mikelovedbeingoutdoorsand

traveledaroundeveryinchofthearea.Withadeeploveoftheland，hehadastrongwishto

1

it.WhenMikesaw

rubbishfloating（漂浮）intherivers，hegot

2

.Heknewhehadtodo

something.Whileonlyinthirdgrade，Mikestartedagroup.Itspurposewasto

3

the

countrysideandteachotheryoungpeopleaboutpollutionanditsdangers.ButMikefacedachallenge.Ashewas

4

，hefoundithardtospeakoutin

public.However，withhismom’shelp，Mike

5

dealtwithhisfear.Hesaid，“Itook

responsibilityanddidwhatneededtobedone.Whenyourheartisintoit，

6

willstop

you.”Mikeworkedhardto

7

hisideatothepublic.Hehandedoutleafletsandeven

appearedonradioandTV.Hiseffortspaidoff.Hewon

8

fromseveralthousand

people.Andhisgroupcollectedandrecycledmorethan22，000poundsofrubbish.Nowasacollegestudent，Mike’s

9

remainsthesame.Heoftensays，

“Iwant

tocreatea

10

lifeformykidsandgrandkids.It’sbeautifulcountryside，whereI’m

from，andIwantmykidstoseeitlikeIseeit.”（

B

）1.A.practice

B.protect

C.prepare（

C

）2.A.weak

B.tired

C.angry（

A

）3.A.cleanup

B.breakinto

C.setup（

A

）4.A.shy

B.sad

C.proud（

C

）5.A.clearly

B.carefully

C.successfully（

B

）6.A.anything

B.nothing

C.something（

C

）7.A.accept

B.change

C.introduce（

C

）8.A.courage

B.victory

C.support（

A

）9.A.wish

B.chance

C.luck（

C

）10.A.busier

B.harder

C.betterBCAACBCCAC

❶hear

of

sb./sth.听说某人/某事的情况强调从别人那里间接得知。同义短语为“hearaboutsb./sth.”。如：Ihaveneverheardof/abouthimsinceheleft.自从他离开后，我再没听到

过他的消息。Haveyouheardof/aboutthenews？你听说这则消息了吗？【拓展】hearfromsb.收到某人的信件（或电子邮件、电话等）如：Sheheardfromhergranddaughteryesterday.她昨天收到了她外孙女的信。❷cruel

adj.残酷的；残忍的becruelto对……很残忍如：Weshouldn’tbecrueltoanimals.我们不应该对动物残忍。❸harmful

adj.有害的其名词形式为harm，

意为“损伤；损害”。beharmfulto＝doharmto对……有害；导致……损害如：Readinginthesunisharmfultoyoureyes.＝Readin