Unit7第4课时SectionB(1a-1d)(分层作业)(原卷版+解析)

Unit7What'sthehighestmountainintheworld?SectionB1a-1d分层练习基础达标一、根据首字母填空.1．Themachinew________about5tons.2．Thepandaeatsabout10k________ofbambooaday.3．Myfatheristwotimest________thanmyyoungersister.4．MymothertoldmethatIwasonly50cmlongatb________.5．Look!Thata________pandaislookingafterherbabypandas.二、完成句子（每空一词）.6．这棵树比那棵树高两米。Thistreeistwo________________thanthatone.7．这条河的长度是那条河的五倍。Theriveris________________________________________thatone.8．大象比熊猫重许多倍。Anelephantweighs________________________thanapanda.9．汤姆比迈克吃得少得多。Tomeats________________thanMike.10．这个盒子是那个盒子的三倍大。Thisboxis________________________thanthatone.能力提升一、单项选择11．—Thisbluesweateristoobigforme.—Willyoupleaseshowmea________one?A．small B．smaller C．thesmallest D．smallest12．—Mr.Zhou,ofallthestudentsinourgroup,wholives________?—IthinkLiLeidoes.A．far B．farther C．farthest D．farest13．Inthefuture,peoplewilllive________100yearsold.A．/ B．to C．for D．tobe14．Thebabyelephant’s________isabout100kilos,butanadultelephantmay________about5,000kilos.A．weight;weigh B．weight;weight C．weigh;weigh D．weigh;weight15．Mypetdogfeelslikestanding________histwolegs.A．in B．by C．on D．of二、阅读判断阅读下面的短文，判断下列句子是否与短文内容相符，符合的写（A），不符合的写（B）。Alllivingthingsontheearthneedotherlivingthingstolivewith.Nothinglivesalone.Sometimesonelivingthingkillsanothertolive,sotheyformafoodchain.Plantsmakefoodfromsunlight,water,airandsoonwhilesomeanimalson(以……为食)plantsdirectly.Forexample,locusts(蝗虫)aresmallinsects.Millionsandmillionsoflocustsinagroupcaneatanythingthatisgreen,includingalotoffoodthatpeopleneed.InIndia,locustshaveeverdestroyed(破坏)manyfieldsofcrops.However,locustscanbefoodforbirds,chickens,ducksorotherlivingthings,evenhumans.Humansareatthetopofthefoodchain,theyeatnotonlylocusts,butalsobirds,chickens,ducksormanyotherplantsandanimals.Theyaremembersofmanyfoodchains,buttheyoftenbreakupthefoodchains.Eachformoflifeislinked(和……有联系)toalltheothers.Breakingthelinksputsalllivesindanger.Humansshouldsharetheworldwithotherlivingthingsinpeace.16．Nolivingthingscanlivealone.17．Someanimalseatplantsdirectlytolive.18．Locustsdon’teatfoodthatpeopleneed.19．Humanshardlyeverbreakupthefoodchains.20．It’sdangerousforhumanstobreakupthefoodchains.拓展训练语法填空（2020·广东深圳·统考中考真题）Oneday,amanwaswalkingbythecornerofastreet.Herehemet___1___littleboyholdingabirdcageandsellingthebirdsinside.He___2___(stop)andlookedverysadlyatthebirdswithoutfreedominfrontofhim.Thebirdswerescreaminginthecage,tryingtoflyaway.Afterstanding___3___amoment,hesaidtotheboy,"Howmuchdoes___4___(you)birdcost?Iwant…""Onefiftycents,sir,"theboyansweredquickly."Iamafraidthatyouaremistaken.Iamnotaskinghowmuchitis."Themansaid,"Iwouldlike___5___(buy)allofthem.WhatIaskishowmuchyouwantforthem."Hearingthis,theboy___6___(happy)countedthenumberofthebirdsinthecage."Theycostfivedollars.""Here___7___(be)themoney!"Themanpassedthemoney.Theboycountedexcitedly.However,hethenwas___8___(surprise)tofindallthebirdshadflownaway."OH,mygod,forwhatreasondidyoudothat,sir?Youdon'tevengetabird!"Theboyaskedthemanwhosetthebirdsfree."Myboy,letmetellyou___9___Ididthis."Themansaid,"Ihavenorighttogetthem.Everylifeshouldbefreeandtheyareour____10____(friend).Soweshouldgivethemfreedom."Unit7What'sthehighestmountainintheworld?SectionB1a-1d分层练习基础达标一、根据首字母填空.1．Themachinew________about5tons.【答案】weighs【详解】句意：这台机器重约5吨。缺少谓语，根据“about5tons”可知说的是重量；根据首字母提示可知是“称重”，即weigh；主语themachine是第三人称单数，故填weighs。2．Thepandaeatsabout10k________ofbambooaday.【答案】kilos【详解】句意：熊猫每天吃大约10公斤竹子。此处修饰bamboo，根据10可知是量词单位，有首字母k可知是”10公斤“，用复数形式。故填kilos。3．Myfatheristwotimest________thanmyyoungersister.【答案】taller【详解】句意：我父亲比我妹妹高两倍。根据than可知是比较级；根据主语myfather和mysister可知是高两倍。故填taller。4．MymothertoldmethatIwasonly50cmlongatb________.【答案】birth【详解】句意：我妈妈告诉我，我出生时只有50厘米长。根据首字母以及“Iwasonly50cmlong”可知是指出生时。atbirth“出生”，是固定搭配。故填birth。5．Look!Thata________pandaislookingafterherbabypandas.【答案】adult【详解】句意：你看！那只成年熊猫正在照顾她的熊猫宝宝。根据babypandas可知照顾熊猫宝宝的应是成年熊猫，即adult“成年的”。故填adult。二、完成句子（每空一词）.6．这棵树比那棵树高两米。Thistreeistwo________________thanthatone.【答案】

meters

taller【详解】根据中英文可知，“比……高两米”可用twometerstallerthan...表示，对照所缺空，故填meters；taller。7．这条河的长度是那条河的五倍。Theriveris________________________________________thatone.【答案】

five

times

as

long

as【详解】对照中英文可知，该句应用比较等级句型“Ais+倍数+as+形容词原级+asB”表示，五倍：fivetimes；长：long，形容词原级；结合句型结构，故填five；times；as；long；as。8．大象比熊猫重许多倍。Anelephantweighs________________________thanapanda.【答案】

many

times

more【详解】对照中英文可知，空处应填“许多倍”的英文，可用manytimesmore来表达。故填many；times；more。9．汤姆比迈克吃得少得多。Tomeats________________thanMike.【答案】

much

less【详解】中英文对照可知，空处应填“少得多”的英文；由“吃得少”可知，“少”可用little表示，由than可知，该句是比较级句型，所以用less，用much修饰less表示“少得多”。故填much；less。10．这个盒子是那个盒子的三倍大。Thisboxis________________________thanthatone.【答案】

three

times

bigger/larger【详解】根据句意可知填写三倍大；根据than可知是比较级，顺序为“倍数+比较级”，故填three；times；bigger/larger。能力提升一、单项选择11．—Thisbluesweateristoobigforme.—Willyoupleaseshowmea________one?A．small B．smaller C．thesmallest D．smallest【答案】B【详解】句意：——这件蓝色毛衣对我来说太大了。——请给我拿一件小一点的好吗？考查形容词比较级。根据“Thisbluesweateristoobigforme.”结合语境可知，此处指的是“比这个蓝色毛衣小一点的”，两者之间相比较需用比较级，故选B。12．—Mr.Zhou,ofallthestudentsinourgroup,wholives________?—IthinkLiLeidoes.A．far B．farther C．farthest D．farest【答案】C【详解】句意：——周先生，我们组所有的学生中，谁住得最远？——我想是李雷。考查副词最高级。far远；farther更远；farthest最远；farest错误写法。由ofall可知是三者以上的比较，用最高级，far的最高级为farthest。故选C。13．Inthefuture,peoplewilllive________100yearsold.A．/ B．to C．for D．tobe【答案】D【详解】句意：在未来，人们将活到100岁。考查动词短语。to到；for为了。livetobe“活到……岁”，故选D。14．Thebabyelephant’s________isabout100kilos,butanadultelephantmay________about5,000kilos.A．weight;weigh B．weight;weight C．weigh;weigh D．weigh;weight【答案】A【详解】句意：小象的体重约为100公斤，而成年象的体重约为5000公斤。考查名词及动词的用法。weight重量；是名词；weigh称重，是动词。第一空前是名词所有格，后加名词；第二空前may是情态动词，后加动词原形，此处缺少谓语动词，weigh“称重”，是动词，故选A。15．Mypetdogfeelslikestanding________histwolegs.A．in B．by C．on D．of【答案】C【详解】句意：我的宠物狗想要两条腿站立。考查介词辨析。in在……里；by通过；on在……上面；of属于……的。固定短语standonone’stwolegs“两条腿站立”，故选C。二、阅读判断阅读下面的短文，判断下列句子是否与短文内容相符，符合的写（A），不符合的写（B）。Alllivingthingsontheearthneedotherlivingthingstolivewith.Nothinglivesalone.Sometimesonelivingthingkillsanothertolive,sotheyformafoodchain.Plantsmakefoodfromsunlight,water,airandsoonwhilesomeanimalson(以……为食)plantsdirectly.Forexample,locusts(蝗虫)aresmallinsects.Millionsandmillionsoflocustsinagroupcaneatanythingthatisgreen,includingalotoffoodthatpeopleneed.InIndia,locustshaveeverdestroyed(破坏)manyfieldsofcrops.However,locustscanbefoodforbirds,chickens,ducksorotherlivingthings,evenhumans.Humansareatthetopofthefoodchain,theyeatnotonlylocusts,butalsobirds,chickens,ducksormanyotherplantsandanimals.Theyaremembersofmanyfoodchains,buttheyoftenbreakupthefoodchains.Eachformoflifeislinked(和……有联系)toalltheothers.Breakingthelinksputsalllivesindanger.Humansshouldsharetheworldwithotherlivingthingsinpeace.16．Nolivingthingscanlivealone.17．Someanimalseatplantsdirectlytolive.18．Locustsdon’teatfoodthatpeopleneed.19．Humanshardlyeverbreakupthefoodchains.20．It’sdangerousforhumanstobreakupthefoodchains.【答案】16．A

17．A

18．B

19．B

20．A【导语】本文是一篇说明文，介绍了保持大自然食物链完整的重要意义。【详解】16．题意：没有生物能单独生存。根据原文Alllivingthingsontheearthneedotherlivingthingstolivewith.Nothinglivesalone可知，地球上的生物都是相伴共生的，没有生物能独自生存。该小题说法正确，故选A。17．题意：有些动物通过直接进食植物来生存。根据原文Plantsmakefoodfromsunlight,water,airandsoonwhilesomeanimalson(以……为食)plantsdirectly可知，有些动物通过直接进食植物来生存。该小题说法正确，故选A。18．题意：蝗虫不吃人们所需食物。根据原文Millionsandmillionsoflocustsinagroupcaneatanythingthatisgreen,includingalotoffoodthatpeopleneed可知，蝗虫会吃掉人们所需食物。该小题说法错误，故选B。19．题意：人类几乎从不打破食物链。根据原文Humansareatthetopofthefoodchain,...Theyaremembersofmanyfoodchains,buttheyoftenbreakupthefoodchains可知，人类经常会打破食物链。该小题说法错误，故选B。20．题意：打破食物链对人类来说是件很危险的事。根据原文Eachformoflifeislinked(和……有联系)toalltheothers.Breakingthelinksputsalllivesindanger可知，打破食物链对人类来说是件很危险的事。该小题说法正确，故选A。拓展训练语法填空（2020·广东深圳·统考中考真题）Oneday,amanwaswalkingbythecornerofastreet.Herehemet___1___littleboyholdingabirdcageandsellingthebirdsinside.He___2___(stop)andlookedverysadlyatthebirdswithoutfreedominfrontofhim.Thebirdswerescreaminginthecage,tryingtoflyaway.Afterstanding___3___amoment,hesaidtotheboy,"Howmuchdoes___4___(you)birdcost?Iwant…""Onefiftycents,sir,"theboyansweredquickly."Iamafraidthatyouaremistaken.Iamnotaskinghowmuchitis."Themansaid,"Iwouldlike___5___(buy)allofthem.WhatIaskishowmuchyouwantforthem."Hearingthis,theboy___6___(happy)countedthenumberofthebirdsinthecage."Theycostfivedollars.""Here___7___(be)themoney!"Themanpassedthemoney.Theboycountedexcitedly.However,hethenwas___8___(surprise)tofindallthebirdshadflownaway."OH,mygod,forwhatreasondidyoudothat,sir?Youdon'tevengetabird!"Theboyaskedthemanwhosetthebirdsfree."Myboy,letmetellyou___9___Ididthis."Themansaid,"Ihavenorighttogetthem.Everylifeshouldbefreeandtheyareour____1