Welcome+Unit+Words+and+Expressions高中英语人教版(2019)必修第一册

WelcomeUnitWordsandExpressions----LaoziAthousand-milejourneybeginswiththefirststep.exchange

n.交换vt.交换，兑换；exchangern.交换器，交换机exchangeableadj.可交换的；可兑/替换的；

IamanexchangestudentfromtheUK.MayIexchangeseatswithyou?Iexchangelearningexperiencewithmyclassmates.They

sold

eggs

in

exchange

for

salt

and

tea.

(1)n.inexchangefor

交换anexchangestudent 交换生(2)v.exchangesth.forsth. 用……来交换……exchangesth.withsb. 与某人交换某物exchange

n.交换vt.交换，兑换；designern.设计者designvt./n.计划，构思；设计，图案bedesignedtodosth.专门为了做……bedesignedfor…为……而设计bedesignedas…被设计为……1.Peoplewantedtoknowwhothistalenteddesignerwas.3.It's

not

designed

for

anyone

under

age

eighteen.

4.Theroomisdesignedasasmallreceptionhallforimportantvisitors.bydesign＝onpurpose

有意地，故意地formal adj.正式的，正规的formallyadv.正式地;正规地informaladj.非正式的；非正规的informallyadv.非正式地;不拘礼节地aninformalmeeting/visit非正式的会议/访问Peoplespeakinamorepolitewayinformalsituations.anxiousadj.焦虑的；不安的；渴望的beanxiousaboutsth为某事焦虑beanxiousforsb为某人焦虑，渴望beanxioustodosth/forsth/forsbtodosth渴望;非常希望anxiouslyadv.焦急地；担忧地anxietyn.焦虑；忧虑；渴望You'relikelytofeelanxiousandpressured.Shewasanxioustofinishschoolandgetajob.Theboywasanxiousforapersonalcomputer.

worried是最常用的词，表示对某个问题或可能发生的不幸有所担忧。

nervous常用于重要事情（如考试、面试等）、令人不快或困难的事情发生前的紧张不安。

anxious可指较强烈的担忧和不安，且较正式。辨析worried,nervous,anxiousannoyedadj.恼怒的；气恼的annoyvt.使恼怒；打扰annoyancen.烦恼；生气annoyingadj.（令人）恼怒的；生气的getannoyed变得气恼；变得生气beannoyedwith

sb生某人的气beannoyedat/aboutsth因某事生气Shesometimesdoesthingsonpurposejusttoannoyme.

Itisannoyingthatthereisnohotwater.Hewasbeginningtogetveryannoyed

withmeaboutmycarelessness.frightenedadj.（人）受惊吓的；（人感到）害怕

befrightenedofsth/ofdoingsth害怕某事/干某事

befrightenedtodosth害怕干某事

befrightenedthat…害怕……

（1）frighteningadj.令人恐惧的；吓人的

afrighteningexperience/thought可怕的经历/想法

（2）frightenvt.使惊恐;吓唬

frightn.senior

a．高级的，年长的，资深的

幼儿园小学初中高中大学nurseryschool/kindergartenprimaryschooljuniorhighschoolseniorhighschooluniversity/collegesenior

a．高级的，年长的，资深的

n．长辈，上司，（初高中）毕业班学生Hehelda_________positioninalargecompany.seniorbeseniortosb他在一家大公司担任高级职务。这个年轻的学生向学长咨询英语学习。sbisone’sseniorby…yearsimpression

n．印象；感想

Cadywantstomakeagood

firstimpression.Cady想留下一个好的第一印象。(1)have/leavea(n)…impressiononsb. 给某人留下一个……的印象

have/geta(n)…impressionofsb/sth对某人/某事物有一个……的映像(2)impressvt．

使铭记；铭刻；使印象深刻impression/ɪmˈpreʃn/n.印象；感想

agood/badimpressiononsb给某人留下好的/不好的印象Herwordsleftalastingimpressiononme.她的话给我留下了难忘的印象。have/getagood/badimpressionofsb/sth对某人/某事物的印象好/不好Ihaveagoodimpressionofhim.我对他印象很好。

[不用于进行时]给……留下极深的印象:impresssbwith/bysth:impressvt

Onecandidateinparticularimpresseduswithherknowledge.

[正式用语]使意识到：TheteacherimpressedtheimportanceofEnglishon/uponme.impress词源

impress由两部分组成，前缀im-

(in-)“向内”+press“按；压”。基本义为“向内压”。词汇拓展impressiveadj

给人深刻印象的；

令人钦佩的：(对……)印象深刻的/钦佩的：(be)impressedwith/by:impressed

adj

LiKangisveryimpressedwiththeteachersandthetechnologyinhisnewschool.Shewasveryimpressiveintheinterview.whatif如果…会怎么样呢？Whatifnoonetalkstome?如果没人跟我说话怎么办？【用法讲解】whatif用于疑问句句首，尤用于询问不希望看到的事发生时的结果。Whatifitrains?要是下雨怎么办?Whatifanythingshouldhappentothechild?万一这孩子出了差错怎么办？Sowhatifyoumakeamistake?如果你犯了错那又怎样？press词根记词汇pressv

压impress

v.

盖印；使留下深刻印象

（im进+press→压进去→盖印→印

入头脑→使留下深刻印象）expressv.

表达；特快（ex把+press→[思想]挤出来→表达）depressv.

压下；使沮丧（de向下+press→向下压→使情绪低下）pressure

n.压力

（press+-ure行为的结果→压的结果→压力）concentrate

on

(1)concentrateon(doing)sth.

集中精力/专心于(做)某事

concentrateone’smind/attentionon集中注意力于；致力于；专心于近义:focusonsth;beimmersed/absorbed/lost/buriedinsth;payattentionto例句:Icouldn’tconcentrateontheexperiment.我无法集中精力做实验。(2)concentrationn.

集中；专心我的学长说如果我集中精力学习英语，就会掌握这门语言的。MyseniortoldmeifI_____________________learningEnglish,Iwillhaveagoodcommandofthelanguage.concentratemyselfonleave...alone不打扰...,不惊动...Ireallywantedtotellhimtopleasebequietandleavemealone!我真想告诉他请安静点，别打扰我。I'vetoldyoubefore─leavemythingsalone!我告诉过你-别碰我的东西！leave…alone不打扰；不惊动leaveaside搁置一边；不予考虑leavefor… 动身到……leaveout 省略；遗漏leavebehind落后Shehastoldyoubefore—leavemythings_______!Whendoyouplantoleave_____Canada?They’llleave______thedifficultproblemuntilnextweek．Leavingtheexpense

,doweactuallyneedasecondcar?aloneforoutaside

explore探索explorationn.探索；勘探；探险explorern.探险家；探测者，探测器Cady打算利用这次旅行探索这个古城的历史。Cadyisgoingtotakeadvantageofthistourtoexplorethehistoryoftheoldtown．confident

a.自信的；有把握的

IfeelmuchmoreconfidentthanIfeltthismorning.我觉得比今天早上自信多了。(1)confidentialadj.机密的；机要的(2)confidencen．

信心withconfidence 肯定地，有把握地about/ofinconfidentlyadv.With+n.=adv.withworrywithexcitementwithhungerworriedlyexcitedlyhungrily自信会使你在新学校更快地交到朋友。confidence：confident：Confidencecanhelpyoumakenewfriendsquicklyinanewschool.Beingconfidentcanhelpyoumakenewfriendsquicklyinanewschool.一句多译：confident--confidenceadj.n.-ent-encesilentdifferenttalentpatientviolentsilencedifferencetalencepatienceviolencelookforwardto(doing)sth.盼望（做）；期待（做）Tomislookingforwardtomeetingthenewexchangestudent.汤姆期待着见到新来的交换生。Wearelookingforwardtothecomingofspring.我们正盼望着春天的到来。Ilookforwardtoyourreply.

我期待你的答复。flash/[flæʃ/n.闪光;信号Flashcardisveryusefultostudents.教学卡片对学生很有用。aflashoflightning一道闪电Theflashsentthefoxesrunningaway.闪光惊得狐狸逃窜。inaflash一瞬间Theanswerhadcometohiminaflash.他一下子就有了答案。

organized/organised

[只用于名词前]有组织的；有安排的：Iwanttoworkwithawellorganizedteam.

有序的；有条理的：averyorganizedpersonorganize

organizer/organiser

organisation/organizationimprove vt 改善improvementn.改进，改善；提高improveon/upon改进；对…加以改良improvein在…方面有改进Heofferedasuggestiontoimprovetheplan.Herworkisshowingsomesignsofimprovement.curiousadj.好奇的;求知欲强的becuriousabout

对……好奇becurioustodosth好奇做某事curiouslyadv.好奇地curiosityn.好奇心Theboywascuriousabouteverythinghesaw.personality个性personaladj.个人的;私人的personallyadv.亲自地;就个人而言personn.人inperson亲自；外貌上itwasthefirsttimeshehadseenhiminperson.style 风格instyle流行；时髦地outofstyle过时的Shealwayscelebratesherbirthdayinstyle.Theletteriswritteninformalstyle.用括号内单词的适当形式填空，体会分词形容词。1.Thisstoryis_________(interest)andfunforthewholefamilytoenjoy.(2014全国)2.I’mreally________(interest)inthispositionandhopeIcanworkforyou.(2014辽宁)