Unit+2+Exploring+English+Using+language+构词法课件【知识专讲精研】高一上学期英语外研版（2019）必修第一册

P22-25UsinglanguageUnit2ExploringEnglishtypecomeacrossunfamiliarcontactorganizationlikelysubwayhighwaymotorway

gasn.类型，种类偶然发现adj.不熟悉的，不了解的v.联系，联络n.组织，团体，机构adj.可能的，可能发生的n.地铁n.公路n.高速公路n.汽油WordsandExpressionspetrolapartmentflatelevatorcontextadditionn.汽油n.一套住房，公寓套房n.一套住房，公寓套房n.电梯，升降机n.上下文，语境n.增加物，添加物WordsandExpressions1.typen.类型，种类

v.①打字:Please~thisletterforme.请替我把这封信打出来。②测定...类型，分类:

patients~dbyageandboodgoup按年龄和血型分类的病人2.comeacross偶然发现Icameacrossanoldfriendinthestreet

yesterday.

Hesaidhisnewbookwouldcomeoutnextmonth.Wealsotalkedabouttheaccidentthatcameaboutthatday.Thedrivercamefromapoorfamily.Weonlyhopedthatthedrivercouldcomethroughit.偶然遇到出版；发表；开花发生来自，出生于安然渡过（难关等）2.comeacross偶然发现梦想cometruecomeupwith想法

实现提出，想出（主意、解决方法、计划等）3.unfamiliaradj.不熟悉的，不了解的[反]familiar①众所周知的,常见的,普通的:

Thesayingis~tous.

那句谚语众所周知。②熟知的,通晓的：

be~with

thoseroads

熟知那些路afamiliarfigureintheschool

4.contactv.联系，联络WhencanI~youtomorrow?我明天何时可以跟你联系?

n.接触;会晤;通讯;联系;交往:Theymade~withheadquartersbyradio.他们用无线电跟总部联络。5.organizationn.组织，团体，机构UNESCO

WTO

WHOUnitedNationsEducationScientificandCulturalOrganization联合国教科文组织WorldTradeOrganization世界贸易组织（世贸组织）WorldHealthOrganization世界卫生组织6.likelyadj.可能的，可能发生的Ifyougrowupinalargefamily,

youaremore

~todeveloptheabilitytogetonwellwithothers.如果你生活在一个大家庭里，就更有可能形成与别人和谐相处的能力。ad.大概;或许likely视频讲解7.subwayn.①地铁ThenItookthe~train

home.然后我坐地铁回家。

②(穿越马路等的)地下人行道:Themajorityofusfeelworriedifwewalkthrougha~.大多数人在走地下通道时都感到害怕。8.gasn.汽油petrola~fllingstation加油站9.apartmentflatn.①一套住房，公寓套房Shelivesinasmall~.她住在一个小公寓里。

②(usu.pl.)(重要人物的)官邸:Ihadneverbeenintheprince’spivate~before.我以前从未到过亲王府邸。10.contextn.上下文，语境

Whenreadinganunfamiliarword,firsttrytousethe~ofthesentenceorpassagetoinferitsmeaning.当阅读一个不熟悉的单词时，首先试着利用句子或文章的上下文来推断它的意思。11.additionn.增加物，添加物Ourbabybrotherisan~toourfamily.弟弟的出生让我们家又多了一口人。Observethesecoloredwordsfromthisunit.

1.Neitheristherepinenorapplein

pineapple

2....sculpta

sculpture=

3.Whenwe...seerain...,wecansay“it's

raining”...

4.WHOHaveALk=pine+applesculpt+ure(suffix)n.v.=World

Health

OrganizationWordformationAbbreviation缩略法Conversion转化法Derivation派生法Compounding合成法Focuson基本用法缩略法主要采取“截头”、“去尾”或者“既截头又去尾”的方法生成新词。

Abbreviation(缩略法)—byabbreviatingphonemath/mathsadfridgefluplanetelephoneairplaneMathematicsadvertisementrefrigerator

influenzaCD(

compactdisk)

CCTV(ChinaCentral

Television)NBA(NationalBasketballAssociation)UFO(

unidentified

flying

object)UN(United

Nations)USA(

United

Statesof

America)另外还有许多缩写词是由各个单词的首字母组成。Conversion（转化法）—bychangingthepartofspeech一个词从一种词类转化为另一种或几种词类的方法称为“转化法”。如名词,形容词转化为动词。Thechildwas

eyeing

thechocolatecake.Shetooka

drink

fromtheglassandthenputitdown.Youmust

slow

downoryou'llmakeyourselfill.n.→v.，意为“注视”v.→n.,意为“饮料”adj.→v.,意为“放慢速度”Derivation(派生法)—byaddingapredixorsuffix派生词一般有前缀(prefix)+单词，或单词+后缀(suffix)构成。前缀+单词一般不改变原词的词性，但要引起词义的变化，一部分可构成反义词。①I

dislike

waitingforanything.②Ihadcompletely

misread

hisintentions.

mis-+read,意为“误解”dis-+like,意为“不喜欢，厌恶”前缀单词+后缀一般不改变原词的基本含义，只改变其词性。①Thereisagrowingneedforqualifiedteachers

ofBusinessEnglish.teach+-er,表示人，意为“教师”②Theywillintroduceanewwasher

tothepublic.wash+-er,表示物，意为“洗衣机”

③Notallpeoplecanmakethisachievement.achieve+-ment，抽象名词，意为“成就，成绩”后缀sunflowersunflowerCompounding(合成法)—bycombiningtwoormorewords复合名词1.名词＋名词sunglasssunglassmoonlightmoonlightbookshelfbookshelffiremanfireman2.形容词＋名词

loudspeaker,midnight,blackboard,software,mainland

3.v-ing＋名词

waiting-room,sitting-room4.动词＋名词

playground,watchtower,chopsticks,washroom

handwriting,

thanksgiving,roller-skating

5.名词＋v-ing6.动词＋副词

get-together,break-through7.副词＋名词downfall,

outbreake.:

f.副词＋v-ed:well-knowng.形容词＋名词:mid-east,round-triph.其它:

up/downstairs,everyday,take-away,outdoor,one-way,part-time,two-month,secondhand,mouth-to-mouth,so-so,on-line,so-called,five-year-old复合形容词

1.形容词＋名词＋edkind-hearted,

short-sighted

2.形容词＋v-inggood-looking,

easy-going

3.副词＋v-inghard-working,

ever-lasting4.名词＋v-ingEnglish-speaking,

peace-loving5.名词＋v-edman-made,

air-borne6.副词＋v-edwell-known,well-balanced

7.形容词＋名词mid-east,round-tripdownstairs,everyday,take-away,outdoor,one-way,part-time,two-month,secondhand,so-so,on-line,so-called8.其它复合副词其他复合动词

over+come=overcomefifty+four=fifty-four复合数词everyone,somebody,anything,nobodydown+stairs=downstairswhole+heartedly=wholeheartedly复合代词(副词+动词)(不定代词+名词)(形容词+名词)(副词+副词)Typesofwordsformation1.

Abbreviation缩略法2.Conversion转化法3.Derivation派生法4.Compounding合成法GrammarFocusPractice用括号中所给合成词的适当形式填空。network,high-speed,forever,peace-loving,face-to-face,long-term1.Wearegoingtotakethe_____________traintoXi’antomorrow,soanearlyarrivalatthestationisadvised.2.Andygotangrywithyouyesterday,soyouneedtohavea_______________conversationwithhim.3.Iwillrememberthegreatmome