Unit 1 Vocabulary and expressions 词汇课件ppt-（2023新教材）高二上学期英语人教版（2019）选择性必修第二册.pptx

1、Unit 1 Words and Expressionsonce and for all 最终地；彻底地最终地；彻底地1.The problem can be solved once and for all,if you do that.如果你那样做，问题就能彻底得到解决。2.All at once,a rabbit came out of a hole.突然，一只兔子从一个洞中跑了出来。at once 立刻，马上立刻，马上once and again 一而再，再三一而再，再三all at once 突然；同时突然；同时随堂演练 完成句子完成句子The teacher has warned t

2、he student 那位老师最终警告了那个学生。Of course,such an overweening purpose did not develop 当然，如此自负的目的并不是突然闪现的。Finally I found out the right method after experimenting 经过反复试验，我终于找到了正确的方法。once and for allall at onceonce and againinfection n.感染；传染感染；传染1.Surgeons wear masks to prevent the spread of infection.外科医生戴着

3、口罩以防止传染(病)的传播。2.Measles is a highly infectious disease that causes deaths,but is fully preventable by vaccination.麻疹是一种传染性很强的疾病，会造成死亡，但通过接种疫苗是完全可以预防的。(1)prevent infection 防止感染 skin infection 皮肤感染(2)infect vt.使感染；传染 be infected with/by 被感染(3)infected adj.感染的(4)infectious adj.传染性的随堂演练 单句语法填空单句语法填空/完成句

4、子完成句子 We shouldnt look down upon people (infect)with HIV.Exactly which bacteria cause the (infect)is still unknown.Every year,there are people unlucky enough to be infected the flu.This new (infect)disease has caused many deaths all over the world.People should take protective measures before going

5、out to .人们在出门前应该做好防护措施以防止感染。infectedinfectionwithinfectiousprevent infectionsubscribe vi.认购（股份）；定期订购，定期交纳（会费）认购（股份）；定期订购，定期交纳（会费）1.I subscribed to several magazines.我订了几份杂志。2.We subscribe to several sports channels on TV.我们付费收看好几个体育频道。3.We prefer to subscribe to an alternative explanation.我们更赞同另一种解释

6、。4.He is one of the millions who subscribe to the NSPCC.他是数百万个定期向英国全国防止虐待儿童协会捐款的人士之一。(1)subscribe to 同意；赞同；定期订购/订阅等；定期捐助(2)subscription n.捐助；订阅 an annual subscription 一年期订阅 take out a subscription to Newsweek 订阅新闻周刊(3)subscriber n.订阅人；定期捐款者随堂演练 单句语法填空单句语法填空/完成句子完成句子 Some even offer a (subscribe)serv

7、ice with quarterly or even monthly updates.Many companies (subscribe)generously to the football club so far.Write away now for the free album offered to every new (subscribe).He the view that children benefit from being independent.他赞同孩子们能从独立中获益这一观点。subscriptionhave subscribedsubscribersubscribes to

8、suspect vt.&vi.怀疑；疑有；不信任怀疑；疑有；不信任 n.犯罪嫌疑人；可疑对象犯罪嫌疑人；可疑对象1.If you suspect a gas leak,do not strike a match or even turn on an electric light.如果你怀疑煤气泄漏，不要划火柴，甚至不要打开电灯。2.She had no reason to suspect that Sylvia had not told the truth.她没有理由怀疑西尔维娅没说实话。3.We are appealing to anyone who saw the suspect to c

9、ontact us.我们呼吁任何人看到犯罪嫌疑人后与我们联系。(1)suspect that.怀疑/认为(尤指坏事可能属实或发生)suspect sb.to be.怀疑某人是 suspect sb.of(doing)sth.怀疑某人(做过)某事(2)a murder suspect 杀人嫌疑犯 the main/prime suspect 首要嫌疑人随堂演练 单句语法填空单句语法填空/完成句子完成句子 We suspected the officer having a hand in the affair.Judging from his abnormal behaviour,I suspec

10、ted him (be)a thief.The police carrying drugs so they went through his bag,but found nothing.警察怀疑他携带毒品，因此搜查了他的包，但什么也没发现。ofto besuspected him ofblame vt.把把归咎于；责怪；指责归咎于；责怪；指责 n.责备；指责责备；指责1.He blamed his brother for breaking the window.他责备他弟弟打破了窗户。2.They blamed the failure on Johns intervention.他们把失败的责

11、任归咎于约翰的干涉。3.The severe coldness is to blame for the increase in coal consumption.天气寒冷导致煤的消耗上升。4.If that happens,the coach will take the blame for it.如果发生那样的事，教练将对此承担责任。(1)be to blame(for sth.)该(为)受责备；应该(为)负责 blame sth.on sb.把某事归咎于某人 blame sb.for(doing)sth.因(做)某事责备某人 be blamed for 因受谴责/责备(2)accept/be

12、ar/take the blame for sth.对某事负责任 lay/put the blame on 把责任归咎于随堂演练 单句语法填空单句语法填空/完成句子完成句子 The failure of the experiment cannot be blamed him alone.Mary,rather than you,is (blame)for not finishing the work on time.She blamed her husband the failure of their marriage.(blame)by the teacher,Mary was pullin

13、g a long face.Lots of people find it hard to get up in the morning,and the alarm clock.很多人发现早上起床很困难，并将责任归咎于闹钟。onto blameforBlamedput the blame onlink n.联系；纽带联系；纽带 vt.把把连接起来；相关联连接起来；相关联1.A chain is no stronger than its weakest link.(谚语)一环薄弱，全链易断。2.The new bridge will link the island to the mainland.新

14、的桥梁将把该岛与大陆连接在一起。(1)a link between.(and.)(和)之间的连接(联系)(2)link A to/with B 将A与B联系/连接起来 link up(with sb./sth.)(与某人/某物)连接，结合 be linked to/with.与有联系/有关随堂演练 单句语法填空单句语法填空/完成句子完成句子 Police suspected there may be a link the two murders.The video cameras (link)to a powerful computer.The Channel Tunnel links Bri

15、tain the rest of Europe.The space shuttle will link up the space station this afternoon.There is convincing proof that skin cancer exposure to the sun.有充分的证据表明皮肤癌和阳光暴晒有关系。betweenare linkedwith/towithis linked todecrease n.减少；降低；减少量减少；降低；减少量 vt.&vi.（使大小，数量等）减少；减小；降低（使大小，数量等）减少；减小；降低1.These measures w

16、ill help decrease the cost of production.这些措施有助于降低生产成本。2.There is a decrease of nearly 6%in the number of visitors to the museum.参观博物馆的人数下降了将近6%。(1)decrease to.减少到 decrease by.减少了 decrease from.to.从减少到(2)on the decrease 正在减少随堂演练 单句语法填空单句语法填空/完成句子完成句子 The traffic accidents in the city decreased 40%la

17、st year.The latest warm period has caused the number of glaciers to decrease 150 in 1850 to 26 today.Because of human activities,the number of some rare animals is .由于人类活动，一些稀有动物的数目正在减少。byfromon the decreasethanks to 幸亏；由于幸亏；由于1.Thanks to his research，the UN has more tools in the battle to rid the w

18、orld of hunger.多亏了他的研究，联合国在消除世界饥饿的战斗中又多了些方法。2.Thanks to the intervention of the UN,the crisis was tackled successfully.由于联合国的介入，这次危机得以成功解决。3.As a result of his hard work,Tom passed the exam easily.由于努力学习，汤姆轻松地通过了这次考试。表示“由于”的短语还有：on account ofowing todue tobecause ofas a result of随堂演练 单句语法填空单句语法填空/完成

19、句子完成句子 Thanks the correct leadership of the Party,China has entered a stage of rapid development.The town was cut off from the rest of the world because the heavy snow.your help,we finished the work in time.由于你的帮助，我们及时完成了工作。toofThanks to/Because of/Owing to.transform vt.使改观；使改变形态使改观；使改变形态vi.改变；转变改变；

20、转变1.The magician transformed the frog into a princess.魔术师把青蛙变成了公主。2.We can transform the world with our knowledge.我们可以用我们的知识改变世界。3.Tom seems to have been miraculously transformed into a firstclass player.汤姆似乎奇迹般地变成了一流的球员。(1)transform A into B 把A变成B transform into 转变成；转化成；改造为 be transformed from A in

21、to B 由A变成B(2)transformation n.改变；转换；改观随堂演练 单句语法填空单句语法填空/完成句子完成句子 The way in which we work has undergone a complete (transform)in the past decade.The movie transformed her almost overnight from an unknown schoolgirl a superstar.“Made in China 2025”initiative aims to a manufacturing giant into a world

22、 manufacturing power.“中国制造2025”旨在把中国从制造业大国转变成世界制造业强国。transformationintotransform China frommake sense 有意义；有道理有意义；有道理1.The sentence doesnt make sense any way you read it.这个句子怎么读都不通顺。2.Can you make sense of this telegram?你弄得懂这封电报的意思吗？make no sense 没道理；没意义make sense of 理解；弄懂in a sense 从某种意义上来说in no sen

23、se 决不；绝非(位于句首时，句子用部分倒装)随堂演练 完成句子完成句子 Sometimes paragraphs need only to be rearranged for the story to .有时候，只需重新安排段落就能使故事讲得通。We read through the poem,but could not it.我们从头到尾读了一遍诗，但没弄懂它。should you lose heart.Keep trying and you will make it sooner or later.你绝不应该灰心丧气。继续尝试，你迟早会成功的。,he is virtually a bea

24、con of hope,encouraging us never to give up.从某种意义上说，他实际上是一个希望的灯塔，鼓励我们永不放弃。make senseIn no sensemake sense ofIn a sensecast vt.(cast，cast)投射；向投射；向投以（视线、笑容等）；投掷投以（视线、笑容等）；投掷1.The setting sun cast an orange glow over the mountains.橘红色的夕阳辉映着群山。2.She cast a welcoming smile in his direction.她向他微笑以示欢迎。3.Th

25、e priceless treasures had been cast into the Nile.价值连城的珍宝被扔进了尼罗河。4.Dont let yourself be cast down by a small failure in the experiment.Try again.不要让自己被实验中一个小小的失败所打倒。再试一次。cast/run an eye/ones eyes over sth.用眼光瞥(或扫)；匆匆查看；粗略地看一看cast/shed/throw light on sth.使(问题等)较容易理解be cast down(by sth.)(因某事)沮丧，不愉快随堂演

26、练 单句语法填空单句语法填空/完成句子完成句子 Anyone would be cast by such news as that.The moon (cast)bright light over the garden when I saw through the window.Those clouds would have that would have blocked some sunlight out.那些云朵原本会投射出阴影，挡住一些太阳光。downcastcast shadowsbreak out（战争、打斗等不愉快的事情）突然开始；爆发（战争、打斗等不愉快的事情）突然开始；爆发1.

27、After the epidemic broke out,the whole country united to fight against it.疫情暴发后，全国上下团结一心，共同抗击疫情。2.Our car broke down and we felt cast down.我们的汽车坏了，我们感到很沮丧。3.Never break in while others are talking.别人说话的时候千万不要插嘴。4.It was money trouble that broke up their marriage.他们是因钱的问题才婚姻破裂的。(1)break down 出故障；失败；垮

28、掉；分解 break in 破门而入；打断(谈话等)break into 强行闯入 break away from 脱离；挣脱 break up 打破；分裂；解体 break through 突破(2)break out,happen,occur,take place 等动词(短词)表示“发生”，是不及物动词用法，不用于被动语态。随堂演练 单句语法填空单句语法填空/完成句子完成句子 The family had escaped to America shortly before the war in 1939.1939年战争爆发前不久这家人逃到了美国。Many people the pover

29、ty barrier in 2020 with the assistance of our government.2020年在我们政府的帮助下很多人摆脱了贫困的障碍。Your health will if you dont pay attention to regular exercise.如果你不注意定期锻炼，你的身体会垮掉。Close the door and windows carefully to prevent some strangers your house.仔细关好门窗，避免陌生人闯入家中。broke outbroke throughbreak downbreaking int

30、odefend vt.保护；保卫；辩护保护；保卫；辩护1.It is impossible to defend against/from an allout attack.防御全面进攻是不可能的。2.Mary demonstrated how best to defend oneself.玛丽示范最有效的自卫方法。3.The soldiers fought bravely in defence of their country.士兵们为保卫他们的国家英勇作战。(1)defence n.防御；保卫 in defence of 为了保卫；为辩护(2)defend.from/against 保护以免

31、受；防御 defend oneself 为自己辩护；自卫随堂演练 单句语法填空单句语法填空/完成句子完成句子 Some people think that students should be trained to defend themselves some attacks.When the dog attacked the boy,he defended (he)with a stick.He has employed one of the UKs top lawyers (defend)him.All the people,men and women,young and old,were

32、 fighting against the flood in (defend)of their own homes.The dam was built to away by the sea.建筑这座堤坝是为了保护公路不被海水冲垮。against/fromhimselfto defenddefencedefend the road from being washedin charge of 主管；掌管（表主动）主管；掌管（表主动）1.The cook is in charge of the kitchen helper.这位厨师负责管理帮厨。2.Dr Smith is assigned to t

33、ake charge of the department.史密斯大夫受命负责这个部门。3.All the drinks including beer are free of charge.全部饮料包括啤酒在内都是免费的。(1)take charge of 掌管/负责 in the charge of 受的管理；由负责 free of chargefor free 免费(2)charge v.收费；要价；控告；充电 charge sb.for sth.为某物向某人收取费用 charge sb.with(doing)sth.控告某人(做)某事随堂演练 单句语法填空单句语法填空/完成句子完成句子 A

34、s long as youe paid in advance,we wont charge you delivery.The police charged the thief stealing the jewels.A series of activities related to study and sports are the charge of the students in the English Department.We all hope you will the organization of the school art festival.我们都希望你负责这次校园艺术节的组织工

35、作。forwithinbe in charge of/take charge oftrace vt.追溯；追踪；查出追溯；追踪；查出n.痕迹；遗迹；踪迹痕迹；遗迹；踪迹1.He traces his descent back to an old Norman family.他的血统可追溯至一个古老的诺曼家庭。2.The police traced the call to her exhusbands number.警方追查出电话号码是她前夫的。3.Its exciting to discover traces of earlier civilizations.发现早期文明的遗迹真令人兴奋。tr

36、ace sth.(back)(to sth.)追溯(某物到)trace your ancestry/origins/roots 追溯你的血统/起源/根源trace the history of sth.追溯的历史随堂演练 单句语法填空单句语法填空/完成句子完成句子 His father claims to be able to trace the family back many centuries ago.These quotations cannot readily (trace)to their sources.The police have detected trace of the

37、murderer after several days of investigation.His fear of dogs can a childhood experience.他对狗的恐惧可追溯到他童年时的一次经历。tobe tracedthebe traced back tocome down with 患（病）；染上（小病）患（病）；染上（小病）1.I think I am coming down with flu.我想我得了流感。2.What other predictions do you know from science fiction books or films that h

38、ave come true?你还知道有哪些科幻小说和电影中的预言已经变成了现实吗？3.We do not know when this world came into being.我们不知道世界是何时形成的。4.Is that the best excuse you can come up with?那就是你能想出的最好借口吗？come up with 提及；讨论；想出come down 下来；降落come about 发生come to 总共，合计；苏醒come across 偶然遇见，碰见；发现come out(太阳等天体)出现；开花；出版，发行；为人所知come into being 形

39、成，产生随堂演练 单句语法填空单句语法填空/完成句子完成句子 Little Thomas chicken pox at the weekend.小托马斯周末感染了水痘。I a group of children playing in the street.在街上我碰到一群正在玩耍的小孩。New stars continued to from the gas clouds of the disk.新的恒星继续从圆盘中的气体云中形成。Several of the members have suggestions of their own.有几位成员提出了自己的建议。Can you tell me

40、how the accident?你能告诉我事故是怎样发生的吗？came down withcame acrosscome into beingcome up withcame aboutabove all 最重要的是；尤其是最重要的是；尤其是1.Schooling requires above all that students learn,solve problems and think abstractly.学校教育首先要求学生学习、解决问题并进行抽象思维。2.Never waste anything,and above all never waste time.不要浪费任何东西，尤其是

41、不要浪费时间。3.All in all,things worked out for the better.总的来说，情况有所好转了。above all 最重要的是；尤其是at all 根本；全然after all 毕竟；终究in all 总共；总计all in all 总的来说，总而言之first of all 首先，第一随堂演练 单句语法填空单句语法填空/完成句子完成句子 We go to school to learn how to learn,so that when we have left school,we can continue to learn.我们上学最重要的是学会如何学习

42、，这样，当我们离开学校时，我们就能继续学习。Dont get discouraged by setbacks.We are new to the work 别因挫折而灰心。这工作对我们来说毕竟还是陌生的。,the display has been a great success.总的来说，表演非常成功。If you want to speak good English,you should listen to fluent English as often as possible.如果你想说好英语，首先你应该尽可能经常地听流利的英语。above allafter allAll in allfi

43、rst of allfault n.弱点；过错弱点；过错 1.The police arrived at the scene and concluded that the driver was at fault.警方到达现场，断定这是司机的责任。2.You are too ready to find fault with other people.你太喜欢挑别人的毛病了。3.Why should I say sorry when its not my fault?不是我的错为什么要我道歉？be ones fault 是某人的过错be at fault 有过错；有责任find fault with 挑剔，挑的毛病随堂演练 单句语法填空单句语法填空/完成句子完成句子 I was disappointed whenever the cook found fault my work.I think the owners are fault for not warning us.There is no perfect person.Dont always him.没有完美的人。不要总是挑他的毛病。withatfind fault withThank You!