牛津深圳版英语七年级下册 Unit 4 Save the trees.课时作业（无答案）

第一课时(Words&Phrases)1.save(过去式)_____________2.branch(复数)_____________.fighter(动词)_____________4.convenience(形容词)_____________5.produce(第三人称单数)_____________6.example(复数)_____________7.harm(形容词)_____________8.discuss(第三人称单教)_____________9.gas(复数)_____________dig_____________11.吸收_____________12.来自_____________13.例如_____________14.确切地说_____________15.环顾四周_____________16.由......制成_____________17数以百万计的_____________18对......有用；有好处_____________19.砍伐；砍下_____________20.停止做......_____________CCanyouimagineaworldwithoutwaterandtrees?AthinkofB.findoutCpickup()22.—Goouttoplaywithyourfriends.Spendingtoomuchtimeplayingcomputergamesisharmfultoyoureyes.—OK.Mom.A.isbadforB.isgoodforelpfulto()23.—Thescientistsproducedanewkindofproductlastweek.—That’sgreat.AboughtBmadeC.taught()24.—Millionsofpeoplelosttheirhomesaftertheearthquake(地震).—Yes.Hopefullytheywillbebettersoon.AAlargenumberofB.SomeC.ThenumberofWhenwillyourlittlesistergotoschool?—Myparentsdiscussedityesterdayandtheythoughtsheistooyoungtogotoschool.A.cleanedupB.talkedaboutCgaveupbemadeof,comefrom,lookaround,begoodfor,take26.Treesproduceoxygenby__________harmfulgases.27.He__________thehallandcouldnotseeanyclassmates.28.Readingalotofgoodbooks__________yourstudy.29.Thisnicebag__________clothandleather.30.David__________AustraliaandhehasstayedinChinafortenyears.eading8.Thedoctorsworkedalldayandallnighttos__________theboy’slife.9.Theboyjoinedthearmy(军队).Hewantedtof__________forhiscountry.I’mherebecauseIhavesomethingimportanttod__________withyou.Spendingtoomuchtimeplayingcomputergamesish__________toyoureyes.Closeyoureyesandi__________thatyouareinaforest.Thiskindof__________(气体)smellsterrible.Putthetowelsonyourmouth.Cows__________(生产)milkforustodrink.Johnwantstoplaythe__________(主要的)roleinthisplay.Weshouldbuysome__________(家具)forournewhouse.ThesupermarketisnearourhouseItis_____(方便的)forustobuythingsweneed.Treesarehelpfultopeople.Theynotonlykeeptheaircool(18)__________cleanbutalsotakein(19)__________(harm)gasesfromtheairandproduceoxygenforus(20)__________(breathe).Theyaremajor(21)__________(fighter)againstairpollution.Theyalsomakepeople’slivesmore(22)_________(convenience).Weusetreestomakemanythingsin(23)__________(we)dailylivessuchaspaperandpencils.Wealsogetmanythings(24)__________trees.Forexample,thefruitandoilarefromtreesandteaisfromtheleavesoftrees.(25)__________youlookaroundthisroom,youcanfindthatlotsoffurniture(26)__________(be)madeofwood.Canyouimagineaworldwithouttrees?Let’sstop(27)__________(cut)downtoomanytrees.eakingC.practicenlideB.crispC.help6.Therearedifferent__________(kind)ofbooksforustoreadinthelibrary.Canyougivemeseveralother________(example)?8.Yearbyyear,thelittletreeinfrontofourhouse__________(grow)tallerandtaller.OurMathsteachersayswecangettheanswertothisquestioninmany__________(way).Childrenareeasytocatchdifferent__________(disease)atthistimeofayear.A:Hello,everyone!Todaywewill(11)d__________trees.Whatdoyouknowabouttrees?BTreescanproduce(12)o__________andtheycantakeinharmfulgases.AAnythingelse?C:Treesprovideuswithwoodsowecanmake(13)f__________andbuildhouses.A:Good.Nowlet’s(14)i__________whatwecangetfromtrees.DDeliciousfruit.Andtheyalsomaketheaircoolinsummer.A:Great.Treescanalsohelpusfight(15)a__________airpollutionandtheymakeourlifebetterTreesareveryimportanttous,soweshouldtryourbesttoprotectthem.A.Weshouldtakeactiontoprotecttrees.B.Theserulescanstoppeoplefromcuttingdownmoretrees.C.Wewatchedafilmandthatreallyshockedme.hinkofaworldwithouttreesETreesplayamajorpartinproducingoxygenontheEarth.A6)__________B:Thatwouldbereallyterrible.BirdswillhavenoplacestorestandthetemperaturewillbehangedWhydoyouaskmeaboutthisA)__________filmaboutA:Ittellsastoryofpeoplecuttingdowntrees.Peopleleadahardlifewithouttrees.B:(18)__________Withouttrees,theharmfulgaseswilldoharmtoourhealth.Soweshouldfocuson(注意)theprotectionoftrees.AThatsright.Therearemillionsoftreesbeingcutdowneveryyear.(19)__________reanyrulestoprotecttreesinourcountryAYes(20)__________BThatsoundsgreat.rammarhisdoingbrothermyishomework(.)inistheswimmingLorrypoolswimming(?)3.issheclothesnownotwashing(.).attheymomentclasseshavingarethe(?)arethesedoingyoudayswhat(?)Dannyhisnowhavingwithlunchisfamily(?)Ann:Hello,Jim.This,isAnn(7)___________(speak).Jim:Hi,Ann.Ann:I(8)___________(call)tothankyouforyourpresent.Jim(9)___________you___________(like)it?Ann:Yes,verymuch.It’sabeautifulsweater.Ireallylikethecolor.Jim:Ithinkblueisjusttherightcolorforyou.Bytheway,you(10)___________(look)fulatthepartylastnight.AnnThankyouWhat(11)___________you___________(do)now?Jim:I(12)___________(watch)themovie.Ann:Isitanactionmovie?IcanhearthevoiceofJackieChan.Jim:Yes,I(13)___________(prefer)actionmovies.Ifyoulikeactionmovies,wecangoandseethelatestonenextweek.AnnIt14)___________(sound)great.Ican’twaittoseeit.Lookatthepicture.Thechildren_________________________________inthepark.We______________________modelplanes______________________.—___________you______________________?workWehavelotsofhomeworkthisweekend—What___________MarkandBen___________inthekitchen?—They______________________Momcook.—___________are___________now?Wewillmissthebus.—They___________still___________intheshoppingmall.It’sSundaytoday.Myfamilyareallathome.Mymother(20)____________(water)flowersinthegardennow.Myfather(21)____________(clean)hiscarinthegardentoo.Mygrandmother(22)____________(cook)deliciousfoodinthekitchenatthemoment.Thefood(23)____________(smell)good.Mybrother(24)____________(listen)tomusicinthelivingroomnow.Helikesmusicverymuch.I(25)____________(do)myhomeworknowinmyroom.Afterthat,I(26)____________(want)toplayfootballwithmybrother.词数。shade(阴凉处)Step激活1.美化环境________________2.净化空气________________4.防止________________Step成句begoodfor有益”。总结：通过思维导图可知，本篇文章以树木的重要性为主线，写作内容主要包括树木对环境和人类的重要性及保护树木的措施。时态以一般现在时为主。Step动手Asweallknow,treesareimportantforusinourdailylife.______________________________________________________________________________________________________________________________________________________________Morepractice)__________(thousand)ofpeoplecameheretovisitthebeautifulgarden.2.Thenumberofthiskindofbirdkeeps__________(decrease)theseyears.3.Hefail