新沪教八下英语Unit5语法精练

新沪教八下英语Unit5Savinganimalsindanger语法精练：It作形式主语&adj.+enough+to+v（学生版）时间：40分钟满分：l00分囚语法精讲·It作形式主语&adj.+enough+to+v句型结构经典例句it为形式主语，真正主语是后面的不定式。形容Itisimportantforustoprotectwildanimals.形容词描述人的品质（善良、聪明、礼貌），Itiskindofyoutohelpthehomelessanimals.否定形式：not+adj.+enoughtodo=too...to...Heisoldenoughtotacareofhimself.✨✨【拓展&易错提醒】✅for与of的区别：➠如果形容词是描述“事物的特征”（difficult,easy,important,necessary等），用forsb.➠如果形容词是描述“人的品格”（kind,nice,clever,silly,cruel等），用例：It'snecessaryforustoexercise./It'scleverofyoutosolvetheproblem.✅enough的位置：enough修饰形容词或副词时，必须放在其后（oldenough,fastenough）；修饰名词时放在其前（enoughmoney,enoughtime圆同义转换：not+adj.+enoughtodo=too+反义形容词+todo例：Theboyisnottallenoughtoreachtheshelf.=Theboyistooshorttoreachtheshelf.㐱口诀：It作形式主语，不定式后置真主语；for/of要分清，人品用of，事情用for；enough放形副后，名词前头别忘记。一、单项选择(本大题共20小题，每小题2分，共40分)1.Itisveryimportantustosavewaterandelectricity.A.forB.ofC.toD.with2.isnoteasytolearnaforeignlanguagewellinashorttime.A.ThatB.ThisD.There3.It'sreallykindyoutodonateyourpocketmoneytotheanimalshelter.A.forB.ofC.toD.with4.Thelittlegirlistogotoschool.Sheisonlyfouryearsold.A.enougholdB.oldenoughC.notoldenoughD.notenoughold5.It'snecessaryforustheendangeredanimalsfrombeinghunted.A.protectB.toprotectC.protectingD.protected6.—It'sverybravethefirefightertosavethechildfromthefire.—Iagree.Andit'simportant ustolearnsomesafetyskills.A.of;ofB.for;of7.Theboxisforthelittleboytocarry.Heneedshelp.A.heavyenoughB.enoughheavyC.notheavyenoughD.tooheavy8.It'sagoodhabitawalkafterdinner.A.takeB.totakeC.takingD.took9.Thegirlisnottounderstandsuchadifficultproblem.A.cleverenoughB.enoughcleverC.toocleverD.cleverso10.It'scruelpeopletokillelephantsfortheirivory.A.forB.ofC.toD.with11.Theboyistolookafterhimself.Hisparentsdon'tneedtoworry.A.oldenoughB.enougholdC.tooold12.It'simpoliteotherswhentheyarespeaking.A.ofyoutointerruptB.foryoutointerruptC.ofyouinterruptingD.foryouinterrupting13.WehavetofinishtheprojectbeforeFriday.Let'sworkhard.A.timeenoughB.enoughtimeC.enoughtimesD.timeenoughs14.It'sdangerouschildrenintheriveralone.A.for;toswimB.of;toswimC.for;swimmingD.of;swimming15.ShespeaksEnglishtomakeherselfunderstood.A.clearenoughB.enoughclearC.clearlyenoughD.enoughclearly16.It'sverykindyoutohelpmewithmyEnglish.Andit'salsonecessarymetopracticemore.B.for;ofC.of;of17.Thewaterintheriverisnotforustodrink.It'spolluted.A.cleanenoughB.enoughcleanC.tooclean18.It'snecessaryabalanceddiettokeephealthy.A.haveB.tohaveC.havingD.had19.Thelittleboyistoreachthebutton.Heneedsastool.A.tallenoughB.tootallC.nottallenoughD.enoughtall20.It'swiseyoutosavesomemoneyforthefuture.A.forB.ofC.toD.with二、完成句子(本大题共10小题，每小题2分，共20分)21.对我们来说，学习急救知识非常重要。 veryimportantuslearnfirst-aidskills.22.你真是太好了，把这些旧衣服捐给流浪动物收容所。It'sreallykindyoudonatetheseoldclothestothestrayanimalshelter.23.这箱子足够轻，那个小女孩可以搬动。Theboxisforthelittlegirltocarry.24.每天花时间锻炼是很有益的。Itisbeneficialspendsometimeexerciseeveryday.25.他不够强壮，搬不动那块大石头。Heisnottomovethehugestone.26.你嘲笑别人是不礼貌的。It'simpoliteyoulaughatothers.27.这个男孩已经大到可以独自上学了。Theboyistogotoschoolbyhimself.28.我们应该给野生动物足够的空间生存。Weshouldgivewildanimalstolive.29.她真聪明，这么快就解出了这道数学题。It'scleverherworkoutthemathproblemsoquickly.30.这水不够干净，不能直接饮用。Thewaterisnottodrinkdirectly.共40分)三、短文填空(本大题共20共40分) ADoyouknowhowtoprotecttheenvironment?31isimportantforustotakeactionnow.First,32iseasytosavewater.Forexample,youshouldturnoffthetapwhenyoubrushyourteeth.Second,33isnecessary34ustoreducewaste.Wecanreuseplasticbagsinsteadofthrowingthemaway.Third,weshouldbe35(responsibility)enoughtosorttherubbish.Manypeoplearenot36(aware)enoughtorealizethedangerofpollution.Butit'snevertoolatetostart.37isalsokind38youtoplantmoretrees.Treescanmaketheairfresh.Ifeveryoneis39(care)enoughtodosmallthings,ourplanetwillbecomemuchbetter.Remember,40isourdutytoprotecttheonlyhomewehave.BBPandasareoneofthemostendangeredanimalsintheworld.41isdifficultforthemtofindenoughbamboobecauseofdeforestation.Pandasarenotstrong42tofightagainsthunters.43isverycruel44peopletokillpandasfortheirfur.Luckily,manypeoplearekind45tohelptheselovelyanimals.46isnecessary47governmentstosetupmorenaturereserves.Also,48isimportantforustolearnaboutpandaprot