Welcome Unit 单词讲解课件-高中英语人教版（2019）必修第一册

WelcomeunitWordsAndExpressions(1)

1.exchangen.

交换;

交流

vt.交换;

交流；交易;

兑换(1)n.[C,U]交换，交流常见搭配:anexchangestudent交换生inexchange(for...)作为(对……的)交换e.g:①WhenIwasamiddleschoolstudentIcametoChinaasanexchangestudent.②

IwillteachyouChineseinexchangeforyourteachingmeEnglish.(2)vt.交换;

交流；交易;

兑换exchange...for...以……换取/兑换……exchangesth.withsb.与某人交流/交换某物常见搭配:①Youcanexchangepoundsfordollarshere.你可以在这里把英镑兑换成美元。②Theoldmanturnedandexchangedafewwordswithhisfriend.老人转过身来，和他的朋友交谈了几句。判断下列句子中exchange的词性及含义。①Thankstoexchangeprogrammes,anincreasingnumberofforeignstudentsarestudyinginChina.②Poemloversreadandrecitepoemsthattheyloveandexchangetheiropinionsonpoetry.③Weexchangedoure-mailaddressessothatwecouldwritetoeachotherinthefuture.④IfyougoshoppinginCanada,don’tforgettoexchangeyourmoneyforCanadadollars.练习：n.

交换;

交流

vt.交流vt.交换vt.兑换2.design

n.

设计;

设计方案

vt.设计；筹划designsth.for...为……设计某物bedesignedtodo...旨在做……,用于做……bedesignedfor...为……计划/设计(1)vt.设计,构思;计划;意欲常见搭配：①ThistestisspeciallydesignedforthosewhowanttocometoChinaforfurtherstudy.这项测试是专门为那些想来中国深造的人设计的。②ProjectHopeisdesignedtohelpthosechildrenwhodropoutofschoolbecauseofpoverty.希望工程旨在帮助那些因为贫困而辍学的孩子。

(2)n.[U,C]设计;[C]装饰图案;[U]构思;[U,C]打算,意图bydesign(=onpurpose)故意地常见搭配：Whetherthishappenedbydesignorbychanceisunknown.无法得知这事是有意安排的还是偶然发生的。反义短语:byaccident/bychance偶然地拓展词：designer设计师3.anxious

adj.

焦虑的;

不安的beanxiousforsb./aboutsth.(=beworriedabout...)为……担心/担忧beanxiousfor...(=beeagerfor...)渴望……beanxious(forsb.)todosth.渴望(某人)做某事常见搭配：①Parentsarenaturallyanxiousfortheirchildren.父母自然为儿女担心。②Sheisanxioustogotocollege,butisalsoanxiousaboutnotbeingabletopasstheCollegeEntranceExamination.她渴望上大学，但又担心不能通过高考拓展词：anxiouslyadv.焦虑地anxietyn.焦虑withanxiety焦虑地练习：1.Shewasanxious

(know)thatwhathadhappened.2.There’stensionand

(anxious)fromthebeginningasnickandAmybattleforyourtrust.

3.Bothmyparentswenttothehall,wheremanyvillagerswerewaiting

(anxious)

toknowanxiouslyanxiety4.annoy

vt.

使恼怒；打扰用法：Itannoyssb.that…让某人生气的是……Itannoyssb.todo…做某事

让某人生气……归纳拓展：（1）annoyedadj.生气的，恼怒的常用搭配：beannoyedwithsb.生某人的气beannoyedat/aboutsth.因某事生气beannoyedtodosth/that………使人恼火（2）annoyingadj.令人烦恼的（3）annoyancen.恼怒，烦恼；使人恼怒的事①ShewasannoyedwithmebecauseIwastoocareless.

她因为我太粗心了而生我的气。②Hewasveryannoyedatthenewspaperreport.他对报纸上的那篇报道极为恼火。③Hewasannoyedtohearthatthetrainwouldbe40minuteslate.听说火车要晚点40分钟，他很恼怒。1.Hegot

atthe

fliesflyingaroundhimwhenhewasreadingabook.His

showeditselfonhisface.(annoy)2.Jerrywasannoyed

me.Hedidn'tsayanythingtomealltheafternoon.3.Fromthe

(annoy)lookofTom'smother,weknewthatshewasquiteannoyed

whathehaddone.4.Iwasveryannoyed

(find)thatthepeopleinwheelchairscouldn’tusethetoilet.annoyedannoyingannoyanceannoyedat/aboutwithtofind

5.frightened

adj.

惊吓的；害怕的它多用于修饰人或人的声音、表情等。常见搭配befrightenedof(doing)sth.害怕(做)某事befrightenedtodosth.害怕做某事befrightenedtodeath吓得要死befrightenedthat...害怕……①I'mfrightenedofwalkinghomealoneinthedark.我害怕在黑夜里独自走路回家。②I'mfrightenedtospeakinpublic.我害怕当众讲话。③I’dneverdothat.I’dbefrightenedtodeath.我绝对不会那样做。我会被吓死的。④Shewasfrightenedthattheplanewouldcrash.她害怕飞机会坠毁。归纳拓展：frightn.惊吓，恐怖with/infright惊恐地frightenv.使恐怖惊吓，吓唬frighteningadj.引起恐惧的，使惊恐的,骇人的(多用于修饰物或事）1.Withoutanyonetoturnto,shefelt(frighten).2.IalwayswanttogototheYellow

Mountain,butIamfrightened

(travel)alone.3.Goingtothehospitalcanbeavery

(frighten)experienceforachild.frightenedtotravelfrightening6.senior

adj.

级别（或地位）高的

n.较年长的人beseniortosb.比某人年长；

比某人的地位/职位高MybotherBobisseniortomebytwoyears.7.impress

vt.

使钦佩；给…留下深刻的好印象

vi.

留下印象；引人注目常用搭配：impresssb.withsth.使某人对某事印象深刻impresssth.onsb.使某人牢记某事

beimpressedby/with对……印象深刻归纳拓展：impressionn.印象；感想；印记常用搭配：agood/bad/deepimpression

好的/坏的/深刻的印象thefirstimpression第一印象leave/makea(n)…impressiononsb.给某人留下……印象impressiveadj.给人深刻印象的；令人赞叹的1.TheirChinesepeersinthetypicalChinesedresswouldbehighly(impress).2.Whydoesitmatterthatpeoplearemore(impress)bythemostrecentchanges?3.Williamswasimpressed

Benjaminandgavehimtwoclassicbooksonpaintingtotakehome.4....heleftadeep

(impress)onmeandgavemetheinspirationtopickupmypenagain.impressionimpressedimpressivewith/by8.whatif

要是……会怎么样呢？Whatif...?"为常用句型Whatif后面跟一个完整的句子,且句子通常用现在时或过去时。该句式有如下含义:(1)如果…怎么办?是……会怎么样呢?(尤指令人不愉快的事情发生时）Whatifthefamilyhadsimplyleftthecatbehind?如果这家人只是把猫遗弃了怎么办?(2)