Unit 1 Words and Expressions 课件ppt--（2023新教材）高中英语人教版（2019）选择性必修第二册.pptx

1、 人人教版教版(2019)(2019)新教材高中英语新教材高中英语 选择性必修第二册选择性必修第二册 Unit 1 SCIENCE AND SCIENTISTS Words and Expressionssevere sv(r)adj.极为恶劣的;十分严重的;严厉的severe economic downturn 严重的经济衰退severe food shortage 严重的食物短缺severe illness 严重的疾病a severe expression 严厉的表情单词短语单词短语比较级 more severe 最高级 most severe severely adv.严重地;严厉地;严

2、格地;苛刻地 frustrate v.使懊恼，使沮丧使懊恼，使沮丧 frustrating adj.令人懊恼的，令令人懊恼的，令人沮丧的人沮丧的 frustration n.懊恼，沮丧；受懊恼，沮丧；受阻，挫败阻，挫败frustrate sb 使使sb感到挫败感到挫败Words frustrate him.言语使他感到挫败。言语使他感到挫败。She is often frustrated because of her study.frustration education 单词短语单词短语 frustrated adj.懊恼的懊恼的;沮丧的沮丧的;失意的失意的 The current situ

3、ation is very frustrating for us.目前的局势对我们来讲是令人懊恼的。挫折教育挫折教育once and for all 最终地，彻底地最终地，彻底地我有必要跟她公开彻底地把话说清楚。单词短语单词短语I need to have it out with her once and for all.近义词：completely、thoroughly、entirely、totally contradictory kntrdktri:adj.相互矛盾的相互矛盾的;对立对立的的;不一致的不一致的 比较级 more contradictory 最高级 most contradi

4、ctoryThe story is contradictory and has the opposite meaning.这个故事是矛盾的，有相反的意思。self-contradictory 单词短语单词短语adj.自相矛盾的自相矛盾的 contradict vt.反驳；相矛盾；反驳；相矛盾；驳斥；相抵触驳斥；相抵触 contradiction n.矛盾，不一致矛盾，不一致 infectionnfekn n.感染；传染感染；传染get infected infect v.使感染使感染;传染传染 单词短语单词短语There is a 60%probability that the populat

5、ion will be infected with the disease.民众感染这种疾病的概率为60%。受受/被感染被感染 infected adj.被感染被感染/影响的影响的 infectious adj.传染传染(性性)的的be infected with/by 传染上传染上/感染上（疾病等）感染上（疾病等）cholera,a highly _ deseaseinfectious subscribe sbskrab v.认购认购(股份股份);定期订购定期订购;定期定期交交纳纳(会费会费)；subscribe to what he said several magazines the v

6、iewMany people subscribed money to the education fund.单词短语单词短语 subscriber n.（杂志等）订阅者，（杂志等）订阅者，消费者，用户，捐赠者消费者，用户，捐赠者同意同意向向.捐赠捐赠.millions of active subscribers 订阅订阅赞成赞成数百万活跃数百万活跃用户用户 subscription n.捐助；订阅捐助；订阅；签签署署；同意同意 multiple adj.数量多的数量多的;多种多种多样的多样的multiple deaths 多例死亡多例死亡multiple injuries 多处受伤多处受伤Th

7、ese creatures can multiply quickly.Multiply 2 and 6 together and you will get 12.单词短语单词短语 multiply v.大大增加，倍增，大大增加，倍增，乘以，繁殖乘以，繁殖multi-前缀前缀 多种多种multimedia 多媒体/多媒体的multinational 多国的multifunctional 多功能的multicultural 多元文化的multicolored multiform multiracial multidirectional 多种形式的多种形式的这些生物能迅速大量繁殖。多民族的多民族的多

8、方向的多方向的多种色彩的多种色彩的He suspected that the pump was to blame.suspect sspekt v.怀疑；疑有；不信任（mistrust）sspekt n.犯罪嫌疑人；可疑对象 suspect sb/sth/that 觉得；怀疑suspect of(doing)sth 怀疑(做过)某事suspect sb/sth to be 怀疑sb/sth 是.单词短语单词短语 suspicion n.猜疑；嫌疑 suspected adj.(伤病)疑似的；被怀疑的 suspicious adj.猜疑的；可疑的 被动式：be suspected of(doin

9、g)sth类似：主动 warn remind cure rid .of(doing)sth convince accuse inform 被动式be warned be remindedbe curedbe rid of(doing)sth be convincedbe accusedbe informed blame blem v.把归咎于；责怪；指责 n.责备；指责be to blame(for sth)(对某事)应负责；应受责备blame A for B 因B而责备Ablame A on B 把 A 的责任归咎于B上单词短语单词短语1.Dont always blame your fai

10、lure_others;sometimes you yourself are _(blame).2.The manager blamed Tom _his mistakes in the work.onto blamefor link n.联系;纽带;链接vt.把连接起来；相关联 (1)a link between A and B A与B之间的关系(2)link A with/to B 把A与B联系起来；把A与B相连 be linked with/to.与有关 (3)link up with.与连接/联手助记助记单词短语单词短语1.The new tunnel links Britain _

11、France.2.The two spacecraft will link_with each other in orbit.3.What puzzles me most is that the two accidents _（密切相关）each other.to/withupare closely linked to decrease n.减少；降低；减少量 vt.&vi.(使大小、数量等)减少；减小；降低（decline，go down）on the decrease 在减少中decrease from.to 从减少到decrease to.减少到 decrease by.减少了 incr

12、ease to.增加到 increase by.增加了单词短语单词短语反义词：increase thanks to 幸亏；由于幸亏；由于 owing to.due to as a result of.because of+名词名词 单词短语单词短语由于由于;因为因为transform.into.把.转化（转变）为单词短语单词短语 transformation n.变化；转变；改观 transform v.转化，转换，改造trans-前缀进入(另一个地方)成为(另一状态)超越，横穿，通过translate transporttransfertransmittransplanttransnatio

13、nal transcontinental翻译运输，传送转移，迁移传播，传输移植（器官等）跨国的横穿大陆的transform a desert into a garden micro-前缀 微型的微型的scope microwavemicrogramMicrosoftmicrobiologymicroworldmicroskirt单词短语单词短语显微镜显微镜微波炉微波炉微克微克微软公司微软公司微生物学微生物学微观世界微观世界超短裙超短裙 initial nladj.最初的;开始的;第一的 initially adv.最初地;开始地近义词：近义词：original近义词：近义词：originall

14、y单词短语单词短语 cast (cast,cast)vt.投掷（throw）投射（光，影）；把目光投向.；The moon cast white light into the room.She cast a quick look in the mirror.单词短语单词短语cast ones mind back 回想，追忆e.g If you cast your mind back,you might recall that I never said that.After the final performance the director held a party for the cast.

15、cast down 使沮丧，使失望e.g.Dont be cast down.皎洁的月光洒进了房间里。皎洁的月光洒进了房间里。她迅速看了一眼那面镜子。她迅速看了一眼那面镜子。n.全体演员 The die（n.骰子）is cast.木已成舟。The die is cast.break 短语短语单词短语单词短语*The thief broke away from the policemam.*You must break away from such habits.*The car broke down after an hours driving.*Our plan has broken dow

16、n.*Her health broke down under the pressure of work.*Please dont break in on my conversation.*Police had to break up the crowd.break out (战争，火灾等)爆发 away from从.脱离，摆脱.down 分解，发生故障，失败,(身体)垮掉 in 打断，闯入,插嘴 into闯入，破门而入 up 拆散，打碎,结束，解散 defend vt.保卫；防守为.辩护 defense/ce n.防御；保卫；辩护；防御物 defender n.捍卫者单词短语单词短语Im go

17、ing to karate lessons to learn how to defend myself.He has employed one of the top lawyers to defend him.defend.against/from 保卫保卫免受免受之害之害 同义词组：protect.from.defensive adj.防御性的，自我保护的defensive equipment 防御设备我要去参加空手道训练课，学习如何自我防守。他请了一位顶尖律师为他辩护。in defence of 为保卫为保卫,为为辩护辩护 assistant n.助理；助手assist vt.&vi.帮助

18、；协助 （同义词：help，aid）assistance n.协助；援助assist(sb)with sth 在方面帮助（某人）assist sb in doing/to do sth 帮助某人做某事 单词短语单词短语come to ones assistance 帮助某人帮助某人单词短语单词短语 in charge of 主管；掌管 in the charge of 由掌管；负责My uncle is in charge of the big company.The big company is in the charge of my uncle.charge主管充电收费控告charge s

19、b.for sth.为某物向某人收费为某物向某人收费charge sb.with sth.指控某人某事指控某人某事free of charge charge the battery gifted adj.有天赋的；有天才的；天资聪慧的gift n.天赋；天才；礼物be gifted in/at 在方面有天赋have a gift for(doing)sth 有（做）的天赋单词短语单词短语同义词talentn.天赋 talentedadj.有天赋的 above all first of all after all in all=in total all in all 单词短语单词短语 首先;最重要的是首先毕竟总共总之 此外；再者furthermore whats more；in addition；moreover；besides