牛津译林版（2023）选择性必修 第一册Unit 1 Food matters单元知识详解课件(共32张PPT)

第第页牛津译林版（2023）选择性必修第一册Unit1Foodmatters单元知识详解课件(共32张PPT)(共32张PPT)

Unit1Foodmatters

Period1单元知识详解

译林版英语选择性必修一

1.combinationn.结合体,联合体;联合,混合

【知识微练】

单句语法填空

①(2022·全国甲卷)It’saprettyhard____________(combine)tobeat.

②Afewreasonscombined________(ruin)ourplan.

③Thenewmodernhotelcombinescomfort__________convenience.

完成句子

④Wearestudyinganewproduct___________________othercompanies.

我们正在和其他公司一起研究新产品。

combination

toruin

and/with

incombinationwith

【重点知识】

【知识拓展】

(1)acombinationofAandBA与B的结合

(2)incombinationwith与……结合;与……联合

(3)combine...with/and把……和……结合

(4)combinetodosth.联合做某事

2.varyvi.(根据情况)变化,变更;相异,不同vt.变更,改变

【知识微练】

单句语法填空

①Oceancolour_______(vary)fromgreentoblue,dependingonthetypeandconcentrationofphytoplankton(浮游植物).

②Acompanymightwanttodevelopa________(vary)ofspacesinanofficesostaffcanfindprivacyifneeded,butalsoworkinopenareasforcreativethinking.

③Nomatterwhatyouliketodo,thereisawaytogetinvolvedin________(vary)activitiesonEarthDay.

完成句子

④Stoppingdistancesforcars__________thespeedtheyaretravellingat.

汽车的停车距离随着它们行驶的速度而变化。

varies

variety

various

varywith

【知识拓展】

(1)varyin...在……方面不同

varyfrom...to...从……变化到……

varyfrompersontoperson因人而异

varywith...随……而变化

varybetween...and...从……到……不等

(2)variousadj.各种不同的,多种多样的

invariousways以不同方式

(3)varietyn.(同一事物的)不同种类,多种式样

avarietyof/varietiesof各种各样的

avarietyof,varietiesof后接可数名词复数作主语时,谓语动词用复数形式;后接不可数名词作主语时,谓语动词用单数形式。thevarietyof+复数名词,意为“……的品种”,作主语时,谓语动词用单数形式。

3.essentialadj.必不可少的;本质的,基本的

【知识微练】

单句语法填空

①(2022·北京高考)Theresult—anapproachknownassystemsthinking—isnowseenas_________(essence)inmeetingglobalchallenges.

②___essence,afirmbeliefisthekeytosuccessofrevolution.

③Itisessentialthateverystudent______________________(guarantee)adequateamountofsleepdespitetheiracademicburdens.

完成句子

④Thereare____________________________ofsolvingthisdifficultproblem.

有三个解决这个难题的根本不同的方法。

essential

In

(should)beguaranteed

threeessentiallydifferentways

【知识拓展】

(1)beessentialto/for对……来说是极其重要的/必不可少的

(2)itisessentialtodosth./that...(+should)+do

……是极其重要的

(3)essentiallyadv.本质上;根本上;基本上

(4)essencen.本质;实质;精髓

inessence从本质上讲

4.relievevt.解除,减轻;缓和,缓解

【知识微练】

单句语法填空

①TheUNsetuptheWorldFoodProgramme,oneofwhosepurposesis_________(relieve)worldwidestarvation.

②Shewas________(relieve)aftersheheardthatherdaughterwassafe.

③Toourgreat______(relieve),Dadturneddowntheidea.

完成句子

④____________,agoodsleepcan__________________andalso______________ofworking.

使我欣慰的是,良好的睡眠可以减轻我的焦虑,也减轻了我工作的负担。

torelieve

relieved

relief

Tomyrelief

relievemyanxiety

relievemyself

【知识拓展】

(1)relieveone’sanxiety减轻某人的焦虑

relievesb.ofsth.帮助……减轻负担

(2)reliefn.宽慰

toone’srelief使某人欣慰的是

inrelief如释重负;松了口气

Whatarelief!可松口气了!

(3)relievedadj.宽心的;宽慰的

5.expandvt.扩展,发展(业务);详谈,详述

【知识微练】

单句语法填空

①Wehaveplanstoexpand_____theU.S.market.

②Therapid__________(expand)ofcitiescancausesocialandeconomicproblems.

③Shementionedafewideas,butshedidn’texpand_________them.

完成句子

④Thehotelwantsto__________________byaddingaswimmingpool.

该酒店想要通过增加一个游泳池来扩大其业务。

into

expansion

on/upon

expanditsbusiness

【知识拓展】

(1)expandon/uponsth.详述某事

expandinto扩大

(2)expansionn.扩大

expansionof……的扩大/增加

6.estimatevt.估计,估价n.估计;估计的成本

【知识微练】

单句语法填空

①Estimates____thepublicserviceswillbelaidbeforeyou.

②Itis__________(estimate)thatathirdofitsvocabularyisborrowed.

③____________(estimate)ofourtotalworldsalesarearound50million.

完成句子

④Thepopulationofourcityis____________2.5million.

我们市人口约250万。

for

estimated

Estimations

estimatedat

【知识拓展】

(1)estimatefor...对……估价

give/makeanestimate做估计

exceedanestimate超出预算

aroughestimate粗略估算/估计

(2)estimatesth.at估计某物有

beestimatedto...据估计

(3)itisestimatedthat据估计

(4)estimationof……的估计量

7.impressvt.使意识到

【知识微练】

单句语法填空

①What__________(impress)himmostinthevillagewasthebeautifulscenery.

②Whatan___________(impress)performancetheygaveus!

③Whattheyoungmansaidatthemeetingleftadeep___________(impress)onme.

完成句子

④________________________________,themanagerdecidedtopromoteJack.

对他的工作效率印象深刻,经理决定提拔杰克。

impressed

impressive

impression

Impressedbyhisworkingefficiency

【知识拓展】

(1)impresssb.with...给某人留下深刻印象

beimpressedwith/by对……印象深刻

(2)impresssth.onsb.使某人铭记;给某人留下深刻印象

(3)Whatimpresses/impressedmemostis/was...

给我印象最深的是

(4)leave/makeanimpressiononsb.

给某人留下印象

(5)impressiveadj.令人赞叹的

8.plainadj.朴素的,简单的;清楚的n.平原

【知识微练】

单句语法填空

①Everyfootstepcouldbe_______(plain)heard.

②Theaircraftwasabletoflyovertheendlesswhite_______(plain)withoutdifficulty.

完成句子

③Thedocument,written_______________,tellsyouaboutthenewpolicy.

该文件以简单的英语写成,告诉您有关新政策的信息。

plainly

plains

inplainEnglish

【知识拓展】

(1)Itisplain(that)显然……

(2)inplainsight显而易见

(3)tobeplainwithyou坦白地说

9.appetiten.食欲,胃口,强烈欲望

【知识微练】

单句语法填空

①Researchsuggestswarmcolorsfuelour_________(appetite).

②Hisappetite____foodhadincreased.

③Symptomsincludefeverandloss___appetite.

完成句子

④Thelittlegirlhasanamazing____________knowledge,andsheworkshardonherstudy.

这个小女孩求知欲强,学习刻苦。

appetites

for

of

appetitefor

【知识拓展】

(1)fuel/increaseone’sappetite刺激某人的食欲

(2)loseappetite失去胃口

(3)lossofappetite食欲不振

(4)appetiteforsth.对……的欲望

(5)haveagoodappetite胃口好

(6)haveanappetitefor渴望……

10.moodn.心情,情绪;精神状态;语气;气氛,氛围

【知识微练】

单句语法填空

①Itturnsoutthatjustlookingatgreen,growingthingscanreducestress,lowerbloodpressure,andputpeople_____abettermood.

②Iwasjusttootiredandnot___themood.

③________(mood)andimpatient,burdenedbyfearsthatresultedfrommyearlyyearsofneed,Iwasnotaneasychildtolove.

完成句子

④Alltheteammemberswere__________________aftertheywonthechampionship.

夺冠后,所有队员都心情愉悦。

into

in

Moody

inacheerfulmood

【知识拓展】

(1)beinagoodmood心情好

beinabad/foulmood心情糟糕

putsb.in/intoagood/badmood

使某人心情好/不好

be/feelinthemoodforsth./todosth.

有做某事的心情

(2)moodyadj.闷闷不乐的;喜怒无常的

11.throwoneselfinto投身于,热衷于

【知识微练】

单句语法填空

①Theyoungladythrewherself_____voluntarywork.

②Takewhatyoureallyneedandthrowtherest______.

③Thefirefighterthrew____hiscoatassoonashearrived.

完成句子

④Hefeelslike_____________whathehaseatenallthetime.

他一直想把吃的东西吐出来。

into

away

off

throwingup

【知识拓展】

(1)throwaway扔掉;浪费

(2)throwoff匆匆脱掉

(3)throwup呕吐

(4)throwcoldwateron给……泼冷水

(5)throwshadowover给……投下阴影

12.cryoutfor迫切需要

【知识微练】

单句语法填空

①Thecompanyiscryingout____freshnewtalent.

②Ifelttooterrifiedtoevencry____forhelp.

③Neitherparentsnorpoliticiansare_______(cry)outforradicalreformofthesystem.

for

out

crying

【知识拓展】

(1)bepressedfor迫切需要

(2)cryingneeds迫切的需要

(3)inneedof需要

(4)cryout大声呼喊;大声抱怨

(5)cryoff打退堂鼓

(6)cryoverspiltmilk覆水难收

13.Wewillputthepotatoesinthepotfirstinorderthattheywillbecookedquickly.

我们先把土豆放进锅里,以便煮得快些。

【知识微练】

单句语法填空

①Theygotupearlyinorder_____theycouldattendtheopeningceremony.

②Bothsidesmetinorder__________(resolve)theirdifferences.

that

toresolve

句型剖析

(1)目的状语从句可以由inorderthat,sothat,incasethat(以防),forfearthat(唯恐)等短语引导。

(2)若主句和从句主语一致时,可以用soasto或inorderto将其转换为简单句。

(3)为了加强语气,有时将inordertodosth.置于句首。

14.WheneverIfeellonely,Ihaveasecretrecipethatneverfails:rice,milkandsugar,cookedlowandslow.

每当我感到孤独时,我都会有一个永远不会失败的秘方:大米,牛奶和糖用小火慢煮。

【知识微练】

完成句子

①Toshowourrespect,weusuallyhavetotakeourglovesoff,_________________

______(不管是谁)wearetoshakehandswith.

②_______________________________(不管你去哪里),youshouldnotleavebehindanytrashhereandthere.

whoever/nomatter

who

Wherever/Nomatterwhereyougo

句型剖析

(1)“疑问词-ever”结构引导让步状语从句,表示“无论……”;可与“nomatter+疑问词”引导的让步状语从句互换。

(2)“疑问词-ever”结构既可以引导让步状语从句,又可以引导名词性