高中英语人教版 (2019)选择性必修 第四册Unit 1 Science Fiction教学ppt课件
展开1.rumur n. 2.presume vt.& vi. 3.fare n. 4.alien n. adj. 5.flur n.
谣言;传闻 假设;假定 车费;船费;飞机票价 外星人(生物);外国人 陌生的;外星的;外国的 面粉;(谷物磨成的)粉
6. vt.计算;核算;预测 7. n.女主席;女董事长;女委员长 8. n.克(重量单位) 9. n.活动场地(如音乐厅、会场等) 10. n.售货员;推销员 11. adj.每周的 n.周刊
calculate chairwman gramme venue salesman weekly
1. 根据;以……的方式(基准) 2. 匆匆忙忙 3. 注意 4. 大量的 6.g n ding 7.get caught up 8.set up
n in a hurry be aware f amunts f
把……和……区分开 继续做 卷入到 建立
1.Whever is charged with a crime shuld be presumed inncent until prven it cmes t games,2017 became a year in which AI defeated humans in s many games that AI researchers say that it will nt be lng befre AI can win at almst everything.
Ⅱ.释义匹配1.fare A.happening,dne r published nce a week2.rumurB.the price yu pay t travel smewhere by bus,train,plane etc3.weeklyC.t find ut hw much smething will cst4.calculateD.the persn in charge f a meeting,a cmmittee r an rganisatin5.chairmanE.infrmatin r a stry that is passed frm ne persn t anther and which may r may nt be true答案1.B 2.E 3.A 4.C 5.D
Ⅲ.介词填空1.It was nt 1911 that the first f the vitamins was identified. 2.Respnsibility is the price every man must pay freedm. 3.Leslie lightens her hair and has nw had it cut a shrt,feathered style. 4.She was regarded ne f the mst successful writers f her age. 5.We cngratulated him n his being admitted the Party.
1.mney paid fr wrk r services,typically n a daily r weekly basis(P4)为工作或服务支付的钱,通常是日结或周结【词汇精讲】n 根据;以……的方式(基准)We’re ging t be meeting there n a regular basis.我们将定期在那里会面。The publishers planned t prduce the jurnal n a weekly basis.出版商计划将该期刊定为周刊。She was chsen fr the jb n the basis f her qualificatins.她因资历适合而获选担任这项工作。
The stry was based n an accunt f an actual Suth Sea expeditin.该故事基于一篇实实在在的南海探险记事。On the basis f the facts,we can reach these cnclusins.=Based n/upn the facts,we can reach these cnclusins.基于事实,我们可以得出这些结论。
2.They believe if AI can handle tasks like calculating and driving fr us,we will have mre time fr creating,thinking,and “being human”.(P4)他们认为,如果人工智能能够为我们处理像计算和驾驶之类的任务,我们将有更多时间进行创造、思考和“成为人类”。【词汇精讲】calculate vt.计算;核算;预测I haven’t calculated the cst that we will spend in travelling.我还没有计算旅行的花费。Yu’ll need t calculate hw much time the assignment will take.你需要算一算要花多少时间才能完成任务。
【词汇拓展】It tk tw hurs t cmplete the calculatin,s we finished at 4 ’clck.我们花了两个小时才完成计算,因而四点就结束工作了。Where have yu put my calculatr?I need it nw.你把我的计算器放在哪里了?现在我需要它。
1.Whever is charged with a crime shuld be presumed inncent until prven therwise.(P4)被指控犯罪的人在被证明有罪之前应被推定无罪。【句式剖析】本句是一个复合句。Whever引导的是主语从句并在从句中作主语,until prven therwise是省略句。Whever wants the bk may have it.任何人想要这本书都可以拿去。Whever gets hme first starts cking the supper.谁先到家,谁就开始做晚饭。
【句式拓展】(1)whever引导名词性从句相当于anyne wh...,意为“……的那个人”。The gld medal will be awarded t whever wins the first place in the bicycle race.=The gld medal will be awarded t anyne wh wins the first place in the bicycle race.金牌将授予在自行车比赛中获得第一名的人。Every year,whever makes the mst beautiful kite will win a prize in the Kite Festival.=Every year,anyne wh makes the mst beautiful kite will win a prize in the Kite Festival.每年,制作最漂亮风筝的人都会在风筝节中获奖。
(2)whever还可引导让步状语从句,此时whever相当于n matter wh。Whever phnes this mrning,tell him I am having a meeting.=N matter wh phnes this mrning,tell him I am having a meeting.今天上午无论谁打电话,都告诉他我在开会。I’m nt pening the dr,whever yu are.= I’m nt pening the dr,n matter wh yu are.不管你是谁,我都不会开门。
2.When it cmes t games,2017 became a year in which AI defeated humans in s many games that AI researchers say that it will nt be lng befre AI can win at almst everything.(P4)说到游戏,2017年是人工智能在众多游戏中击败人类的一年,以至于人工智能研究人员表示,用不了多久,人工智能就能在几乎所有事情中获胜。
【句式剖析】本句结构比较复杂。when引导的是时间状语从句,in which引导的是定语从句,引导的是结果状语从句,第二个that引导的是宾语从句。It wn’t be lng befre...“用不了多久就会……”,befre从句用一般现在时。Jhn thinks it wn’t be lng befre he is ready fr his new jb.约翰认为用不了多久他就会为他的新工作做好准备。I think it wn’t be lng befre yu make great prgress in English.我认为不久你的英语就会取得很大的进步。
【句式拓展】(1)It wasn’t lng befre...“没过多久就……”,befre从句用一般过去时。Tm was fired by the cmpany,but it wasn’t lng befre he fund a new jb.汤姆被那家公司解雇了,但是不久他就找到了一份新工作。The peratin was cmpleted and it wasn’t lng befre Andrew was hme again and ding well.手术完成了,很快安德鲁就回家了,一切都很好。
(2)It will be+一段时间+befre...“要过若干时间之后才……”,befre从句用一般现在时。If yu miss this chance,it may be years befre yu get anther ne.如果你错过这个机会,多年之后你才可能再次得到这样的机会。(3)It was+一段时间+befre...“过了若干时间才……”,befre从句用一般过去时。It was nearly a day befre he realised his mistakes and said srry t his friend Peter.将近一天之后,他才意识到他的错误并向他的朋友彼得道歉。
复习被动语态英语的语态有主动语态和被动语态两种。决定动词用主动语态还是被动语态主要看动词和主语的关系。如果主语是动作的执行者,也就是说它们是主动关系,此时动词用主动语态;如果主语是动作的承受者,也就是说它们是被动关系,此时动词则用被动语态。英语的被动语态由“助动词be+过去分词”构成,其中be有时态、人称和数的变化。
2.被动语态的用法(1)当我们不知道谁是动作的执行者,或者没有必要指出谁是动作的执行者时。Every classrm in this schl is being equipped with a new TV set.在这所学校里,每间教室都正在装备一台新的电视机。Give bld if yu can and many lives will be saved.如果可以的话,请献一点血,很多生命将会因此而获救。(2)为了强调动作的承受者时。Traditinal flk arts f Tianjin like paper cutting are being exhibited at the culture shw nw.剪纸等天津民间传统艺术品现在正在文化展览中展出。
(3)出于策略、委婉、礼貌等不提出动作的执行者时。Yu are said t be active recently.据说你最近很活跃。It is reprted that they will cme t ur city fr a visit.据报道,他们要来我们城市访问。
3.含有情态动词的被动语态含有情态动词的被动语态由“情态动词+be+过去分词”构成。如:Yu might be asked t speak at the meeting.可能请你在会上发言。All the abve items can be btained frm ur ffice.所有上述资料可向我们办公室索取。Smething must be dne t stp these accidents.必须采取某种措施以预防这些事故。These bks may be appreciated better by lder children.年龄稍大的孩子可能更会喜欢这些书。
4.短语动词的被动语态“动词+介词或副词”构成的短语动词,以及“动词+名词+介词”构成的短语动词,在被动语态中不要漏掉后面的介词或副词。如:Gd use is made f the library.这个图书馆的利用率很高。A man wh is much talked abut is always very attractive.经常被人谈论的人总是很有吸引力。Many interesting experiments are carried ut in ur labratry.我们实验室做了许多有趣的实验。
5.关于“get+过去分词”在英语口语中,有时可用“get+过去分词”构成被动语态。如:I gt dressed as quickly as I culd.我尽快穿上衣服。We gt delayed because f the hliday traffic.因为节日交通阻塞,我们被耽误了。I tried t find my way rund Lndn withut a map and gt lst.我试图不带地图在伦敦寻路,结果迷路了。注:这样结构比较常见的搭配有get arrested、get caught、get cnfused、get delayed、get divrced、get dressed、get drwned、get drunk、get elected、get engaged、get hit、get killed、get lst、get married、get stuck等。
6.主动形式表示被动意义(1)有些系动词,如:taste、sund、prve、feel、lk、smell、remain、appear等本身含有被动意义。They ften eat in that restaurant because the fd there tastes delicius.他们常到那家餐馆吃饭,因为那里的饭菜可口。What he said at the meeting prved true.他在会上说的话被证明是真的。(2)表示主语的某种属性特征的动词,如:read、write、sell、pen、shut、begin、wash、wear、cut、lck、play、drive等。这类动词后面常接一个修饰语。The cat dries easily.这件外套很容易干。
Ⅰ.单句填空1.The discvery f gld in Australia led thusands t believe that a frtune was t (make). 答案be made2.Linda makes sure the table (set) befre the guests arrive. 答案is set3.The church twer which (restre) will be pen t turists sn.The wrk is almst finished. 答案is being restred
4.Every year a fld f farmers arrive in Shenzhen fr the mney-making jbs they (prmise) befre leaving their hmetwns. 答案have been prmised5.This castal area (name) a natinal wildlife reserve last year. 答案was named
Ⅱ.完成句子1.Yu’ve failed t d what yu (被期望做的) and I’m afraid the teacher will blame yu. 答案were expected t2.It is reprted that many a new huse (正在被建) at present in the disaster area. 答案is being built3.Last night’s TV news said that by then the death f the missing peple (未证实)yet. 答案had nt been prved
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