Unit 4 Section B （1a-2d） 2025-2026学年人教版八年级英语

Unit4

AmazingPlantsandAnimalsSectionB（1a-2d）

Pre-reading

Lookatthetitleandthepicturesbelow.Guesswhatthetextisabout.1aPre-reading/wɪˈðaʊt/prep.没有；缺乏Thetextisabouttheimportanceofbees.Theyhelpplantsgrowthroughpolination(授粉).Nowtheirnumberisdroppingandweneedtoprotectthem.

While-reading(Fastreading)Readthetextandunderlinetheadjectivesthewriterusestodescribebees.hard-workingthemostimportantthemostinterestingthemostamazing1bWhile-reading

While-reading(Carefulreading)Readagainandcompletethemindmapwiththeinformationfromthetext.Bees●theirgreatestwork:_____________________●visit:________________________________●help:________________________________●theirnumberis:_____________________●_______________

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_______________importanceprobleminterestingfactspollination50to100flowersononetripplantsgrowdroppingTheyworkhardtogethertomaketheirhomes.Theycreatehoneycombstostorehoney.Theyuseadancetocommunicatewhereandhowfarawaythefoodiswhentheyfindnewfood.importance/ɪmˈpɔːtns/n.重要性Post-reading1c

Post-reading

Discussthequestions.1.Canyougiveanothertitleforthetext?2.Whatotherinterestingfactsdoyouknowaboutbees?3.Whatdoyouknowabouttheconnectionbetweenhumansandotherinsects,suchasantsandbutterflies?1d/ˈtaɪtl/n.标题；题目；名称

/ˈhjuːmən/n.人adj.人的；人类的/ænt/n.蚂蚁

Post-reading

Discussthequestions.1.Canyougiveanothertitleforthetext?1d/ˈtaɪtl/n.标题；题目；名称

TheAmazingWorldofBees

Post-reading

Discussthequestions.2.Whatotherinterestingfactsdoyouknowaboutbees?Beeshaveawell-organisedsociallife.Inabeehive(蜂房),thequeenbeecanliveformanyyearsandlayaboutonethousandeggsdaily.Femaleworkerbeesdodifferentjobsastheygrowolder.Atfirst,youngworkerbeesare"nursebeesTheytakecareoftheyoungbees.Later,theybecome“foragerbees(觅食蜂)”Thentheygoouttocollectnectar(花蜜),pollen,waterandgum(树胶).Beescansmellveryweli.Theycanknowthesmelloftheirownhive.Theycanalsotelldifferentflowersbytheirsmell.Thishelpsthemfindthebestnectarandpollen.1d

Post-reading

Discussthequestions.3.Whatdoyouknowabouttheconnectionbetweenhumansandotherinsects,suchasantsandbutterflies?Antsdigtunnels.Thismakesthesoilgetair.ithelpsplantrootsgetoxygen.ltisgoodforthecropsweeat.Butterfieshelpwithpollination.Whentheydrinknectar,theymovepollenaround.Thishelpsplantsmakenewplants.Somefruit-bearingplantsneedtheirhelptogrowthefruitsweeat.1d/ˈhjuːmən/n.人adj.人的；人类的/ænt/n.蚂蚁

Imagineyouarethewriter.Writeonemoreparagraphaboutbeesandaddittothetext.Therearemanywayswecando.

First,wecanplantflowerslikesunflowers(向日葵)inyourgarden.Second,don’tusepesticides(杀虫剂)–trynaturalways.Third,putashallowdishwithwaterandpebbles(鹅卵石)forbeestodrink.Fourth,Buyhoneyfromlocalbeekeepers.Lastbutnotleast,tellyourclasswhybeesmatter.Smallthingshelpbeesalot!solution1eHowdoyouunderstandtheconnectionbetweenpeople,plants,andanimals?Thinkofsomeexamplesandthensharethemwithapartner.A:Weallknowpeopleandnatureareconnected.Butcanyougivemeanexampleofhowtheyareconnected?B:Sure.IvisitedasmalltowninGuangdongonce.Therearemanylargetreesinthetown.Theyarehometomanybirds.Alotoftouristscometoseethetreesandthebirds…1f有……栖息；是……的家乡givesb.anexample给某人举个例子Howdoyouunderstandtheconnectionbetweenpeople,plants,andanimals?Thinkofsomeexamplesandthensharethemwithapartner.A:Doyouthinkpeople,plants,andanimalsareconnected?B:Yes,Ido!Theyneedeachotheralot.Forexample,plantsmakefoodwithsunlight.Thenanimalslikecows(牛)eatplantstogrow.A:Ohright!Andpeopleeatcowsorplantsforenergy.That’sagoodchain.B:There’sanotherexample.Bees(蜜蜂)drinknectar(花蜜)fromflowers.Theycarrypollen(花粉)tohelpplantsmakeseeds.A:Soplantscangrowfruitsandvegetablesforus.Andbeesmakehoney(蜂蜜)thatweeattoo!B:Exactly.Ifonepartishurt,othersfeelit.Like,noplantsmeanshungryanimals—andpeoplewon’thaveenoughfood.A:That’strue.Wemustprotectallofthem!1fSummarykeyvocabularies:connect;connected;without;imagine;honey;disappointed;connection;pollination;pollen;action;percent;planet;store;honeycomb;communicate;ecosystem;protect;importance;title;human;ant;keyexpressions:beconnectedwith/to;infact;forthisreason;inorderto;playapart(insth);behometosb/sth;playarole(in)Langagepoints1.WeCan'tLiveWithoutBees.没有蜜蜂我们无法生存。without【介词】没有;缺乏，其后可跟名词、人称代词宾格或动词-ing形式,用来表示伴随或假设的情况。其反义词为with(具有;带有)。withoutdoingsth没有做某事e.g.Fishcan'tlivewithoutwater.

没有水，鱼就活不了。e.g.Helefttheroomwithoutsayingaword.

他一句话也没说就离开了房间。

Langagepoints1.WeCan'tLiveWithoutBees.没有蜜蜂我们无法生存。【拓展】一般情况下,含有without的句子可以和含有if...not...结构的句子进行同义转换。e.g.Icouldn'tfinishtheworkwithoutyourhelp=Ifyoudidn'thelpme,Icouldn'tfinishthework.

没有你的帮助，我就完不成这项工作。

Langagepoints2.Imagineyougotothesupermarketinyourarea,buttherearealmostnofruits,vegetables,honey,milk,eggs,orchocolate.想象一下,你去当地的超市，但是那里几乎没有水果、蔬菜、蜂蜜、牛奶、鸡蛋或巧克力。(1)imagine【及物动词】想象;猜想，其后可接名词、代词、动词-ing形式或从句作宾语。imagine(sb)doingsth想象(某人)做某事e.g.Imaginelifewithouthotwater.

想象一下没有热水的生活

。Langagepoints2.Imagineyougotothesupermarketinyourarea,buttherearealmostnofruits,vegetables,honey,milk,eggs,orchocolate.想象一下,你去当地的超市，但是那里几乎没有水果、蔬菜、蜂蜜、牛奶、鸡蛋或巧克力。(2)honey①【不可数名词】蜂蜜e.g.Iliketoputsomehoneyinmytea.我喜欢在茶里加些蜂蜜。②【名词】(爱称)亲爱的e.g.Honey,comehereandhelpmewiththehousework.

亲爱的,过来帮我做家务。Langagepoints3.Disappointed?失望?disappointed【形容词】失望的;沮丧的，常用来说明人的一种感受,多在句中作表语。bedisappointedwitb/in..对…感到失望e.g.Don'tbedisappointedwithyourself.别对自己失望。【拓展】①disappointing【形容词】令人失望的，通常用来说明事物所

具有的特征，可在句中作表语或定语。

②disappoint【动词】(使)失望e.g.Theresultdisappointedhim.结果使他失望。Langagepoints4.Atthismomentyourealizepeople,plants,andanimalsareallconnected.这时你就会意识到，人类、植物和动物都是相联系的。connected【形容词】连接的;相关的，beconnectedwith/to.与……相连;与…有关联e.g.Foodiscloselyconnectedwithitslocalculture.

食物和当地的文化密切相关。Langagepoints【拓展】

①connect【及物动词】关联;连接，connect...with/to..把……和…连接/联系起来e.g.ArailwayconnectsBeijingwithShanghai.

一条铁路连接北京和上海。②connection【名词】连接;联系;关系e.g.There'saconnectionbetweenpollutionandthedeathoftrees.

污染和树木的死亡之间有关系。Langagepoints5.Thisactionhelpsplantsgrow.这一行为有助于植物生长。action【名词】行动;行为takeaction(todosth)采取行动(做某事)e.g.Thepolicetookactionsoon.警察很快采取了行动。e.g.Weshouldtakeactiontoprotectanimals.

我们应该采取行动保护动物。【拓展】actionmovies动作影片Langagepoints6.Infact,withouttheirwork,about80percentoftheplantsintheworldcannotgrow.事实上，如果没有它们的工作,世界上大约百分之八十的植物都无法生长。(1)infact确切地说;实际上,

其中fact是名词,意为“现实;事实”。e.g.Infact,sheistalentedinmusic.

事实上,她有音乐夭赋。e.g.Fewpeopleknowthefact.知道这个事实的人不多。Exercises(2023·山东枣庄中考)根据汉语意思完成英语句子,每个空格填一个单词。事实上,生活中的小欢喜无处不在。

，littlehappinessiseverywhereinourdailylife.Infact答案InfactLangagepoints6.Infact,withouttheirwork,about80percentoftheplantsintheworldcannotgrow.事实上，如果没有它们的工作,世界上大约百分之八十的植物都无法生长。(2)percent(=percent)①【名词】百分之……，常用于“基数词+percent+of”结构。“基数词+percent+of+名词/代词”在句中作主语时,谓语动词的单复数形式要根据of后的名词或代词的情况而定。

若名词或代词为复数意义,谓语动词用复数形式;若名词为不可数名词、单数名词或代词表示单数意义,谓语动词则用第三人称单数形式。Langagepointse.g.Seventypercentoftheapples

arered.

百分之七十的苹果是红的。e.g.Twentypercentofthewater

iscoveredwithice.

百分之二十的水被冰覆盖。

②【形容词&副词】每一百中

a15percentdiscount15%的折扣

e.g.Salesareup5percent.销售额上升了5%。名词复数复数形式不可数名词第三人称单数形式Langagepoints7.Forthisreason,manyscientistsbelievethatbeesarethemostimportantanimalsonthisplanet.出于这个原因,许多科学家认为蜜蜂是这个星球上最重要的动物。forthisreason出于这个原因.

常位于句首,一般用逗号与后面的部分隔开。e.g.Forthisreason,Ididn'tgotothepartylastnight.

出于这个原因,我昨晚没去参加聚会。e.g.Hewaslateforschool.Forthisreason,hemissedthefirstclass.

他上学迟到了。出于这个原因,他错过了第一节课。Langagepoints8.Forexample,theyworkhardtogethertomaketheirhomes.

例如,它们一起努力建造家园。workhardtogether共同努力;齐心协力e.g.ChineseDreamcancometrueifweworkhardtogether.

如果我们共同努力,中国梦就能实现。【拓展】pulltogether(一群人)同心协力,通力合作e.g.Ifweallpulltogether,we’llfinishontime.

如果我们大家同心协力，我们就能按时完成。Langagepoints9.Inordertostorehoney,theycreatehoneycombs.

为了储存蜂蜜,它们建造蜂巢。inorderto

为了，以便，表示目的,相当于soasto。后面接动词原形可放在句首,也可放在句中;而soasto只能放在句中。inordertodo..的否定结构为inordernottodo....e.g.Inordertolookafterhisparents,hereturnedtoworkinhishometown.

为了照顾父母，他回到了家乡工作。Langagepoints【拓展】

inorderthat为了,目的是，也表示目的,后接从句。若inorderthat后从句的主语与主句主语一致,可与inorderto进行同义改写。e.g.Hegetsupearlyinorderthathecangettoworkontime.=Hegetsupearlyinordertogettoworkontime.

他早起的目的是按时上班。Exercises(江苏连云港中考)根据所给汉语和句子意思,用英语补全句子。为了保护学生们的视力，中国政府近几年已采取行动

(为了保护)students’eyesight,Chinesegovernmenthastakenactioninrecentyears.解析

由汉语及句意“为了保护学生们的视力，中国政府近几年已采取行动”可知，此处应用

inordertodosth或动词不定式作目的状语;protect意为“保护”。答案Inordertoprotect/ToprotectInordertoprotect/ToprotectLangagepoints10.Beesplayanimportantpartintheecosystemofourplanet.

蜜蜂在我们地球的生态系统中起着重要的作用。playapart(insth)参与(…);(在…中)发挥作用

，其后可接名词、代词或动词的-ing形式。意为“参与”时同义短语为takepartin;意为“在……中发挥作用”时同义短语为playarolein。e.g.MrBlackdidn'tplayapartinmakingthisdecision.

布莱克先生并没参与做此决定。e.g.Educationcanplayapartinit.教育可以在其中起到作用。Langagepoints11.However,thenumberofbeesisdroppingandscientistsareworried.然而,蜜蜂的数量正在下降,科学家们对此感到担忧。辨析:thenumberof与anumberof,两者后都跟可数名词复数形式,虽仅有冠词不同,但意义和用法却大不相同:thenumberof“……的数量”，作主语时,谓语动词用单数形式anumberof“许多”，相当于many,作主语时,谓语动词用复数形式e.g.Thenumberofthestudentsinourclassis50.我们班的学生人数是50。e.g.Anumberofstudentsareplayingsoccerontheplayground.

许多学生正在操场上踢足球。Exercises(贵州黔东南中考真题)Inourschoollibrary,there

anumberofbooksonart.Thenumberofthebooks

stillgrowinglargerandlarger.A.is;isB.are;isC.is;areD.are;areBExercises解析

我们可用“语法分析法”解答此题。anumberof.“许多……”,作主语时谓语动词用复数形式，第一个空应选are;thenumberof...,“……的数量”作主语时谓语动词用单数形式,第二个空应选is。故选B。句意:在我们学校的图书馆,有许多关于艺术的书,书的数量一直在增长。答案BLangagepoints12.Thinkaboutwhatyoucandotoprotectoneofthemostamazinganimalsonearth.想想你能做些什么来保护地球上最神奇的动物之一。protect【动词】保护;防护

protection【不可数名词】保护;保卫protect..from/against...保护……免受…e.g.Protectingnatureistoprotectourselves.

保护大自然就是保护我们自己。e.g.Sheiswearingsunglassestoprotecthereyesfromthestrongsunlight.

她正戴着太阳镜以保护眼睛免受强烈阳光的伤害。

Circletheoddones.Thengiveyourreasons.1.habit height size weight2.joy happiness

fun enjoy3.angry disappointed smart sad4.appear look seem watch5.honey milk juice bread2a/ˈhæpinəs/n.幸福；快乐/ˌdɪsəˈpɔɪnt/v.使失望；使破灭

Circletheoddones.Thengiveyourreasons.1.habit height size weight2a“height”“size”and“weight”areaboutphysicalcharacteristics(身体特征),while“habit”isaboutwhatapersonusuallydoes.

Circletheoddones.Thengiveyourreasons.2.joy happiness

fun enjoy

2a“Joy”“happiness”and“fun”areallnouns,while“enjoy”isaverb.

Circletheoddones.Thengiveyourreasons.3.angry disappointed smart sad2a“Angry”“disappointed”and“sad”areallusedtodescribepeople’snegativeemotions(负面情绪),while“smart”ismainlyusedtodescribeaperson’sintelligenceorquick-wittedqualities(机智的品质)

Circletheoddones.Thengiveyourreasons.4.appear look seem watch2a“Appear”“look”and“seem”arealllinkingverbs,while“watch"isamainverb.

Circletheoddones.Thengiveyourreasons.5.honey milk juice bread2a“Honey”“milk”and“juice”aredrinksorcanbeusedindrnks,while“bread”isfood.Addtheendings-ance,-(t)ion,-ness,and-itytoformnouns.Useyourdictionary.1.act_________________ 2.good_________________

3.kind_________________ 4.appear_________________

5.real _________________ 6.imagine_________________

7.connect_________________ 8.popular_________________

9.communicate_________________ 10.important_________________goodnessappearancerealityimaginationconnectionpopularitycommunicationimportance2bactionkindness

Completethesentenceswiththecorrectformsofthewordsinthebox.1.Ifelt________________whenmyfavouriteflowersdied.2.Aftertherain,somemushrooms________________inthegarden.3.Inmyhometown,peopleoftenusebamboobasketsto________________food.4.Whatdidyouputinyourluggage?It________________aton.5.Ican’t________________mylifewithoutmypets.Theymeanalottome.appeardisappoint

imagine

store

weighdisappointedappear/appearedstoreweighs/weighedimagine2c/ˈmʌʃrʊm/n.蘑菇；伞菌/tʌn/n.吨Completethepassagewiththecorrectformsofthewordsinthebox.Youmaynotrealizeit,butfrogsplayanimportantroleinour____________ecosystem.Thesmallestfrogsareaboutthesizeofa

pea,whilelargeronescangrowasbigasahumanhand.Manypeopleknowthatfrogshelpto____________farmsbyeatinginsects.____________,noteveryoneunderstandstheir____________innature.Frogscanliveon____________andinwater.Becauseofthis,theyarepopularsubjectsinstudiesonclimatechangeandtheecosystem.however

important

land

planet

protectplanet'sprotectHoweverimportanceland2d/ˈklaɪmət/n.气候/piː/n.豌豆/rəʊl/n.作用；职能；角色playarole(in)在……中发挥作用；扮演角色Langagepoints1.happiness幸福happiness【不可数名词】幸福;快乐e.g.Iwanttosharemyhappinesswithyou.

我想和你分享我的幸福。【拓展】

英语中,有些形容词加后缀-ness可构成名词,表示性质、状态。类似的常见词还有:good→goodness美德ill→illness疾病sad→sadness悲伤Langagepoints2.Itweighs/weighedaton.

它非常重。ton【可数名词】吨e.g.

Anelephantweighsseveraltons.一头大象重达几吨。【拓展

】tonsof大量的;许多的，后接可数名词复数或不可数名词,相当于alotof/lotsof.e.g.Sheoftengetstonsofpresentsonherbirthday.

她在生日那天常收到很多礼物。

Theyhavetonsofworktodo.他们有很多工作要做。Langagepoints3.Youmaynotrealizeit,butfrogsplayanimpor