Welcome Unit 重点单词短语讲练（ppt课件）-2022新人教版（2019）《高中英语》必修第一册.pptx

1、WELCOME UNITWELCOME UNIT 重点单词短语讲练重点单词短语讲练1.exchange n.交换;交流;交易 vt.交换;交流;交易;兑换 单句填空Shall I exchange seats you?I am going to travel abroad,so I go to exchange some RMB dollars in the bank.withforI let him have my watch,and take his camera exchange.句式升级It is illegal to ask people for gifts or money in

2、exchange for favors.It is illegal to ask people for gifts or money favors.(非谓语动词短语作目的状语)into exchange点拨点拨(1)vt.交换;交流exchange sth.with sb.与某人交换某物exchange A for B把A换成B(2)n.交换;兑换in exchange作为交换in exchange for作为的交换联想“in+n.+of”短语集锦:in search of寻找in memory of为了纪念in favor of支持;赞同in terms of就来说in place of代替

3、;取代2.design n.设计;设计方案;意图 vt.设计;筹划单句填空Understanding technological trends is very important for correctly (design)economic policies.(2019江苏)Most colleges now offer first-year students a course specially (design)to help them succeed academically and personally.(2019天津)This course is specially designed

4、beginners like you,focusing on listening and speaking practice.designingdesignedfor句式升级This project was designed to help landless people but it didnt work out as planned.This project landless people didnt work out as planned.(定语从句)This project landless people didnt work out as planned.(非谓语动词短语作定语)th

5、at/which was designed to helpdesigned to help点拨点拨(1)by design故意地;蓄意地(2)design sth.to do sth.设计某物用来做某事design.for.为设计be designed for/to do sth.为某物而设计/被设计用来做某事联想“故意地”与“偶然地”小结:(1)故意地:by design;on purpose;deliberately(2)偶然地:by chance;by accident;accidentally3.anxious adj.焦虑的;不安的单句填空I am anxious the parce

6、l because it hasnt arrived.He was anxious his family who were travelling abroad.I never knew he was so anxious (get)a job.aboutforto get一句多译她不安地看着她的父母,好像在请求原谅。She looked at her parents as if asking for forgive-ness.She looked at her parents as if asking for forgive-ness.anxiouslywith anxiety点拨点拨(1)b

7、e anxious about sth.担心be anxious for sb.担心某人be anxious for sth.渴望得到某物be anxious to do sth.渴望做某事(2)anxiety n.焦虑;忧虑;渴望with anxiety忧虑地(3)anxiously adv.不安地;忧虑地联想与负面情绪有关的词:upset难过的;沮丧的depressed消沉的;沮丧的frustrated失意的;懊丧的pessimistic悲观的blue忧郁的;悲伤的down情绪低落的4.annoyed adj.恼怒的;生气的单句填空I hope she wont get annoyed m

8、y careless mistakes.Bess was annoyed (find)that coffee was not ready.I was annoyed my younger brother.Dont openly express (annoy)at a professor or class.(2019课标全国)at/aboutto findwithannoyance句式升级Try making a note of the annoying things.Try making a note of the things .(定语从句)that/which annoy you点拨点拨(

9、1)annoy vt.使恼怒;使烦恼;使生气(2)annoyed adj.恼怒的;生气的;烦恼的be annoyed with sb.对某人生气be annoyed about/at sth.为某事生气be annoyed to do sth.因做某事而生气(3)annoying adj.令人生气的(4)annoyance n.恼怒;烦恼联想常见的-ed形容词:interested感兴趣的surprised感到好奇的satisfied感到满意的amazed感到惊讶的excited感到激动的5.frightened adj.惊吓的;害怕的单句填空Im not sure who is (frigh

10、ten),me or the female gorilla(大猩猩)that suddenly appears out of nowhere.(2018课标全国)She is frightened the dark and needs to be accompanied.She was frightened (look)down from the top of a tall building.more frightenedofto look用frighten的适当形式填空After seeing the film,the boy was too to walk home alone in th

11、e dark.frighteningfrightenedfrightened点拨点拨(1)frighten v.(使)惊吓;(使)惊恐frighten sb.into doing sth.把某人吓得做某事(2)frightened adj.惊吓的;害怕的be frightened of sth./to do sth./that.害怕某物/做某事/(3)frightening adj.令人恐惧的;可怕的易混frightening意为“令人惊恐的,恐怖的”,常用来说明事物的特征。frightened意为“恐惧的,害怕的,受惊的”,常用来说明人的特征。两者都可用作表语或定语。1.concentrat

12、e on 集中精力于单句填空Playing computer games can give us some relaxation after school,but as stu-dents we must concentrate our studies.We must concentrate our efforts on (improve)education.Speaking on the phone requires (concentrate).onimprovingconcentration一句多译你若集中精力学习英语,你就会掌握这门语言的。(concentrate)If you Engl

13、ish,you will master the language.English,and you will master the language.English will enable you to master the language.concentrate your mind/attention/onConcentrate your mind/attention/onConcentrating your mind/attention/on点拨点拨(1)concentrate on(doing)sth.专心于(做)某事concentrate ones mind/attention on集

14、中注意力于;致力于;专心于(2)concentration n.集中;专心 联想带on的动词短语还有:call on号召;拜访carry on继续进行,开展depend on依靠go on继续hold on稍等片刻insist on坚持look on旁观turn on打开2.leave.alone 不打扰;不惊动单句填空When copying this paper,be careful not to leave any word.You shouldnt leave the boy ,for he is too young.Leave the boy ,and he can make up

15、his own mind.Well leave Madrid by the next plane.outbehindalonefor点拨点拨leave aside搁置一边leave for动身去leave behind丢下;永远离开;落后leave out省略;不包括;冷落联想leave out中的out为副词,接代词作宾语时,应把代词置于leave与out之间。1.What if.如果将会怎么样?教材原句What if no one talks to me?单句填空What they talked a long time about a painting you werent that in

16、terested in?(2019天津)if it rains tomorrow?ifWhat完成句子要是我们把沙发挪到这边来会怎么样?那样看上去会不会好一些?over here?Would that look better?假如我生病不能工作的话怎么办?and not be able to work?What if we moved the sofaWhat if I should fall sick点拨点拨1.表示假设(用于询问不希望看到的事发生时的结果)“如果怎么办,要是将会怎么样”,其后可用陈述语气(用一般现在时),也可用虚拟语气(用一般过去时或should+动词原形)。2.表示邀请或

17、建议What if.表示邀请或建议时,意思是“如果怎么样?”“如果如何?”。联想what常用句型一览:What about.怎么样?(放在句首的简略问句,用来征求意见或询问情况)What if.倘若将会怎样?What of.那又怎样呢?又有什么关系呢?What for.为何目的?为什么?What has become of sth.?(遭遇)某事如何?某事(结果)怎么样?So what?那又怎么样?(认为某事无关紧要,尤用于反驳他人的指责)2.find+宾语+宾补教材原句I found most of my classmates and teachers friendly and helpfu

18、l.单句填空Dick found himself (walk)in the direction of Mikes place.I found myself (surround)by a group of children full of curiosity.Some students find it difficult (learn)English grammar.walkingsurroundedto learn句式升级He found that his daughter was surrounded by letters and books and she was looking very

19、 worried.He found his daughter letters and books and .(过去分词和现在分词作宾补)surrounded bylooking very worried点拨点拨(1)find+宾语+(2)find it+形容词+to do(it是形式宾语,to do是真正的宾语)()()/现在分词 表示主动、进行过去分词 表示被动、完成形容词 副词 名词介词短语3.either.or.或者或者教材原句If Im not in class,Im either in the library or in the computer lab.单句填空Either he

20、or I (be)to go to the laboratory.(be)either you or I going there tomorrow?amAre句式升级In my opinion,my friends arent as positive as Tom.Nor are my classmates.In my opinion,as positive as Tom.(neither.nor.)neither my friends nor my classmates are点拨点拨either.or.要么要么,不是就是,或者或者,常用来连接两个平行结构。若连接两个主语时,其谓语动词应与最近的一个主语在人称和数上保持一致,即“就近原则”。联想有类似用法的还有:neither.nor.既不也不not.but.不是而是not only.but also.不但而且