Unit 2 Lesson 2 Language points 课件-2022-2023学年高中英语（北师大版2019必修第一册）

1.Tostrengthensone’simmunesystem

增强某人的免疫系统strengthen:tobecomestrongerormakesomethingstronger

vi.&vt.(使)强健;加强;增强egRepairsarenecessarytostrengthenthebridge.Theexercisesaredesignedtostrengthenyourstomachmuscles.【构词法】strength(力量)+-en(后缀-en常用来构成动词，表示“使……”)n./adj.+-en构成v.

lengthn.lengthenfrightn.frightenweakadj.weakendeepadj.deepenwideadj.widensharpadj.sharpenlooseadj.loosenshortadj.shorten【语境运用】用strength的适当形式填空。1)Themeasureisanattemptto__________ourcompetitiveability.2)Itmaytakeseveralweeksforyoutobuildupyour___________.3)Heisn’t__________enoughtoliftthestone.strengthenstrengthstrongstrong

adj.

强大的；结实的；有体力的strength

n.

力量；力气【拓展】2.cheeruptobecomehappierortomake(someone)happier(使)高兴起来,(使)振作起来

egIwrotethatsongjusttocheermyselfup.【拓展】

cheersb.on(赛跑/比赛等中)以喝彩声鼓励,为(某人)加油

cheerfor...为……欢呼

Cheers!(用于祝酒)干杯!

cheering

adj.

鼓舞人心的【语境应用】完成句子。1)WhenI’mfeelingsad,mymothertellsmefunnystoriesto_________me______.当我感到忧伤时，我的母亲就给我讲有趣的故事哄我高兴。2)Theygatheredaroundtheswimmingpoolto___________.他们聚集在游泳池旁为她加油。cheerup

cheerheron

3.I’mabitfedupwithgettingsickallthetime.

我受够了总是生病。be/get/becomefedupwith厌烦的,不满的,无法再忍受的egHehadbecome

fedup

withcitylife.Peoplearefedupwithallthesetrafficjams.She’dgotfedupwithwaitingandgonehome.【拓展】1)betired/sickof对……感到厌烦

beboredwith对……厌倦了

haveenoughof对……受够了/厌倦了2)feedon以……为食

feed...with/on...用……喂……；供给……feed＋食物＋to...用某物喂养……【语境应用】单句语法填空。

1)________(feed)upwithhislies,shewon'tbelieveinhimanylonger.2)Allanimalsincludingmenfeed_______plantsorotheranimals.3)Pleasefeedsomegrass_______thecow.=Pleasefeedthecow________somegrass.onFedtoon/with4.Aspeopleoftensay,anyexerciseisbetterthannone,butlong-distancerunninginparticularhasalotofbenefits.

正如人们经常说的那样，任何锻炼都比不锻炼好，但长跑尤其有很多好处。as“正如，正像”引导非限制性定语从句particular

specialorgreatadj.特殊的，特别的;不寻常的beparticularabout对……讲究/挑剔

n.尤其，特别inparticular=particularlyegIsthereanythinginparticularthatyouintendtodo?benefit:anadvantagethatsth.givesyou;ahelpfulandusefuleffectthatsth.hasn.

[C,U]好处,益处beofbenefitto对……有好处forsb.’sbenefit=forthebenefitofsb.为了……的利益

tobeusefultosb.orimprovetheirlifeinsomeway

vt.使受益,对……有用benefitsb./sth.使某人/物受益tobeinabetterpositionbecauseofsth.vi.

有益于benefitfrom/by受益于……,从……中得到好处egNotallcompetitionisofbenefittothestudents.CouldyoujustexplainagainforMark’sbenefit?Thewarningsignwasputthereforthebenefitofthepublic.Exercisebenefitsourhealth.I’msureyou’llbenefitgreatlyfromthevisit.【拓展】beneficial

adj.

有利的,有好处的bebeneficialto对……有益egAstayinthecountrywillbebeneficialtohishealth.【语境应用】根据汉语意思补全下面句子(每空一词)。1)

这些压力真对她有好处吗？Wouldthestressbe________________________toher?2)

到目前为止，双方都受益于这些会谈。Bothofthem_______________________thetalkssofar.3)

这条新路会使这座城市和周边的城镇受益。Thenewroadwill________________________andthenearbytowns.benefitthe

ofreal

havebenefitedfrombenefitcity5.Youarealsosomebodywhoworriesaboutgettingsick.你也担心自己生病。who引导的定语从句，修饰somebody,who在从句中作主语。请找出本文中其他的定语从句。egBesides,anybodywhoisfeelingdowncangoforaruntocheerthemselvesup.Evenathirty-minuterunwillproviderelieffromachesortensionthatyoumaybesufferingduetostress.6.Runningwillhelpyougetfitandpreventdiseases.

跑步有助于身体健康和预防疾病。prevent:tostopsomethingfromhappening,orstopsomeonefromdoingsomething

vt.预防;阻止,阻挡preventsb./sth.(from)doingsth.

阻止……做……eg

Yourquickactionpreventedaseriousaccident.BeforeIcouldpreventhim,heopenedthedoorandentered.Shewassurethenoisewouldpreventher(from)sleepingatnight.【拓展】stop...(from)...

阻止……做……

keep...from...

阻止……做……

注：prevent和stop后的from都可以省略，但在被动语态中不能省略from。而keep...fromdoingsth.中的from则不能省略，如果省略了，其意义将发生改变。Keep…doing…“一直做……”7.Evenathirty-minuterunwillproviderelieffromachesortensionthatyoumaybesufferingduetostress.

即使是30分钟的跑步也能缓解你因压力而感受到的疼痛或紧张。that引导的定语从句，修饰achesortension。that在从句中作suffer的宾语，因此可以省略。egThedoctor’streatmentgavesomerelieffrompain.Davidbreathedasighofreliefwhenheheardthatdangerhadpassed.It’ssucharelieftohearyoulaughagain.relief:1)

thefeelingofhappinessthatyouhavewhensth.unpleasantstopsordoesnothappenn.[U]减轻,缓解2)afeelingofcomfortwhensomethingfrightening,worrying,orpainfulhasended[single,U]宽慰，轻松【归纳】

toone’s(great)relief

令人感到(非常)欣慰的是providerelieffor

救济

Whatarelief!

可轻松了！

Itisarelieftodosth.

做……是一种宽慰【同根词】relievev.

toreducesomeone'spainorunpleasantfeelings

(疼痛/问题)减轻,缓解

relieveone’spain

减轻某人痛苦

relievesb.of

解除某人……方面的负担【语境应用】完成句子。1)_________________,thekidsarrivedhomesafeandsound.

让我们感到非常宽慰的是，孩子们都安然无恙地回家了。2)Heroseand______________________.

他站起来接过她手中的包。3)Drugshelpedto_______________.

药物帮助舒缓疼痛。Toourgreatreliefrelievethepainrelievedherofherbags8.Makesureyouarerunningtherightamountthatyourheart,musclesandbonescantakewithoutgettinghurt.

确保运动量在心脏、肌肉和骨骼的承受范围之内,以免受伤。【归纳】makesureof/that确信；查明；forsure肯定地；确实

besureof/about/that有把握，确信

besuretodosth.一定会做某事sure短语1)【语境应用】单句语法填空。1)Ifyouarenotsure_________theanswer,you’dbetterturntoyourteacherforhelp.2)Youaresure__________(succeed)ifyougoonworkinghard.Ibelieveinyou!3)you’dbettermakesure_______theexacttimeofthearrivingtrain.4)你要确保按照说明书(instructions)来服药。_________________(that)youtakethemedicineaccordingtotheinstructions.of/abouttosucceedofMakesure2)amount:aquantityofsomethingsuchastime,money,orasubstancen.

数量,数额egAlargeamountofmoneyisspentontobaccoeveryyear.Smallamountsoflandwereusedforkeepinganimals.【归纳】amountalarge/huge/small...amountof

修饰不可数名词，谓语动词常用单数形式large/smallamountsof

修饰不可数名词，谓语动词常用复数形式表示“许多，大量”可数不可数agreat/goodmany,agreat/large/goodnumberof,quiteafew等。(quite)alittle,agreat/gooddealof,alargeamountof,largeamountsof等。plentyof,alotof,lotsof,amassof,massesof等,这时谓语动词的单复数形式取决于它们后面所接名词的形式。可数名词复数/不可数名词【拓展】【语境应用】单句语法填空。1)Alargeamountofdamage___________(do)inaveryshorttime.2)Largeamountsofmoney___________(spend)onthefreewayeveryyear.3)There_______(be)ahugeamountofinformationontheInternet.wasdonearespentis9.Nothinggivesonemoresatisfactionthanrealizingthat…没有什么比认识到……更令人满意的了。satisfacti