高中英语人教版 (2019)选择性必修 第一册Unit 5 Working the Land精品课件ppt
展开In this class, yu willidentify and summarize the uses f nun clauses as subjects;2. use subject clauses t talk abut what qualities make a persn s successful.
Yuan Lngping is knwn as the “father f hybrid rice”;has received numerus awards;makes large dnatins t supprt agricultural research;is still full f visin.
Lk at the cmplex sentences and state the functins f the nun clauses italicised.
What Yuan Lngping really cared abut was nt mney r celebrity.That Yuan Lngping had realised his dream f seawater rice surprised the whle wrld.
That Yuan Lngping had realised his dream f seawater rice surprised the whle wrld.
It surprised the whle wrld that Yuan Lngping had realised his dream f develping seawater rice.
Para 2: Hwever, what cncerned him mst was that farmers ften had pr harvests and smetimes even had a serius shrtage f fd t eat.
Read the text again and find similar cmplex sentences frm the text.
Para 3: Hw this culd be dne was a challenging questin at that time.
Para 3: Hwever, whether it was pssible t develp a hybrid f self-pllinating plants such as rice was a matter f great debate.
Para 5: Tday, it is estimated that abut 60 percent f dmestic rice cnsumptin in China is cmprised f crps generated frm Yuan’s hybrid strains, and…
Para 6: What impresses peple mst abut Yuan Lngping is his nging ability t fulfill his dreams.
Match the sentence parts, and then translate the cmpleted sentences int Chinese.
1.D When these wheat farmers will jin this pilt experiment remains an unanswered questin. 这些小麦农户什么时候会加入预实验仍然不得而知。
2. C Hw we can find a suitable slutin t prduce sufficient fd while keeping the envirnment safe is an imprtant tpic fr us t research. 如何能够找到一个合适的解决办法,在保证环境安全的同时,生产足够的粮食,是一个需要我们研究的重要课题。
3. A What wrries many peple is that these chemicals may even cause cancer. 令很多人所担心的是,这些化学制品甚至可能导致癌症。
4. E It amazed all f us that these vegetables can even be planted withut any sil thrugh this new technlgy. 令我们所有人惊讶的是,通过这种新技术,可以无土栽培这些蔬菜。
5. B That the lifestyle is slwer and healthier is the reasn why sme peple prefer t live in the cuntry rather than in the city. 有些人更喜欢住在乡下而非城市的原因是前者生活节奏更慢、生活方式更健康。
the wrd rder f the subject clauses;hw the subjects are intrduced differently.
Observe the sentences in Activity 1 and Activity 2, and pay attentin t
the wrd rder f the subject clauses;主语从句中使用陈述语序。 What Yuan Lngping really cared abut was nt mney r celebrity. Hw this culd be dne was a challenging questin at that time.
hw the subjects are intrduced differently.由连接代词what引导;由连词that, whether引导;由连接副词when, hw,where,why等引导 。
连接代词what,在主语从句中表示的意思为:……的(事/东西)。What impresses peple mst abut Yuan Lngping is his nging ability t fulfill his dreams.What wrries many peple is that these chemicals may even cause cancer.
连词that仅引导主语从句,通常无具体意义; whether(注意不能用if)在主语从句中表示的意思为:是否。That Yuan Lngping had realised his dream f seawater rice surprised the whle wrld.Whether it was pssible t develp a hybrid f self-pllinating plants such as rice was a matter f great debate.
连接副词when、hw、where、why,在主语从句中,表示的意思分别为:何时、怎样、何地、为什么。When these wheat farmers will jin this pilt experiment remains an unanswered questin. Hw this culd be dne was a challenging questin at that time.
Read the passage and underline all the subject clauses.
n.(食物或饮料的)味道
Think abut whether the sentences with subject clauses can be paraphrased.
Read the passage and underline all the subject clauses. Hwever, what she is unhappy abut is the lwer nutritinal value and reduced flavur. She is unhappy abut the lwer nutritinal value and reduced flavr.
Read the passage and underline all the subject clauses. Hwever, what she is unhappy abut is the lwer nutritinal value and reduced flavr. what引导主语从句,起到了强调作用。更能突出语篇所表达出的grandma对绿色农业的追求,体现语篇主题。
Example: I’d like yu t find ut hw new technlgies can increase grape prductin in Binchuan cunty. →What I’d like yu t find ut is hw new technlgies can increase grape prductin in Binchuan cunty.
Rewrite the sentences using subject clauses. (Page 90, Activity 1, Wrkbk)
We wanted t knw where he had lst the laptp. Where ___________________ was what we wanted t knw.
he had lst the laptp
The way in which he did the experiment was puzzling t ther peple. Hw __________________ was puzzling t ther peple.
he did the experiment
D they use t many chemical pesticides? I wrry abut this mst. Whether __________________________ _________ is what I wrry abut mst.
they use t many chemical
That ________________________________ ________________________ makes peple happy.
Peple are happy t see that the living cnditins and incme f the farmers have imprved a lt.
the living cnditins and incme f the farmers have imprved a lt
We have nt decided n the date fr the sprts meet yet. When ______________________ has nt been decided n yet.
the sprts meet will be held
What qualities d yu think make a persn like Yuan Lngping s successful? Think abut it and prepare a presentatin.
The fllwing pints and expressins may help yu.
Pssible answer:What impresses me mst is that Yuan Lngping has succeeded in helping t feed s many peple. It is imprtant that he never gave up, despite many difficulties. That he succeeded in realising his dream is what makes him great.
在主从复合句中,充当主语的从句叫主语从句,它是名词性从句之一。引导主语从句的词有连接词·从属连词:that,whether / if 注意:whether/if 在从句中不充当句子成分,只起连接作用,意为“是否”。whether 引导的主语从句既可放在句首,也可放在句末。而if 引导的主语从句不能放在句首,只能放在句末。连接代词:wh,whm,whse,what,which,whever,whatever, whichever 等连接副词:when,where,why,hw主语从句要用陈述语序。为了避免主语显得过长,尤其是陈述句作主语从句时,可以用it作句子的形式主语,把主语从句移到句尾。
在主从复合句中,充当主语的从句叫主语从句,它是名词性从句之一。1 引导主语从句的连接词引导主语从句的连接词有:从属连词:在从句中不作成分连接代词:在从句中作主语、宾语、表语或定语连接副词:在从句中作状语(1)从属连词:that,whether①that 在从句中不充当句子成分,也无意义,只起连接作用,但不可省略。That he is still alive is a wnder. 他还活着真是一个奇迹。②whether 在从句中不充当句子成分,只起连接作用,意为“是否”。whether 引导的主语从句既可放在句首,也可放在句末。但由if 引导的主语从句不能放在句首,只能放在句末。It is still dubtful whether/if she will play the rle.她是否要演这个角色还不能确定。
(2)连接代词:wh,whm,whse,what,which,whever,whatever,whichever 等。连接代词引导主语从句时,在句中既起连接作用,又在从句中充当主语、宾语、表语或定语。Wh will bring up the child hasn’t been decided yet.谁来抚养这个孩子还没有决定下来。(主语)Which lifestyle is the mst beneficial t ur health is still unknwn.还不知道哪种生活方式对我们的健康最有利。(定语)Whever slves the puzzle can receive the award.无论谁解开这个谜团都可以得到奖赏。(主语)
(3)连接副词:when,where,why,hw。在从句中作状语,分别表示时间、地点、原因和方式。When we will set ff hasn’t been decided.我们何时出发还没有决定。Why he spied n me puzzled me fr a lng time.他为什么监视我这个问题困扰了我很长时间。Hw he earned his living befre is nt clear t us.我们不清楚他以前是如何谋生的。
单句语法填空(1)It makes n difference ____________ yu supprt my plan r nt.(2)____________ yu d shuld d n harm t thers.(3)It is suggested ____________ the wrk(shuld)be dne with great care.
完成句子(4)________________________ (谁将去接他)is nt decided.(5)____________________________________ (哪个班级会赢得这场足球赛) is nt clear.(6)____________________________________(他能否买到飞机票)desn’t matter much.(7)____________________________________(我们将如何去那里)is a prblem.(8)____________________________________(你刚才告诉我的)was really a surprise.(9)____________________________________ (他什么时候出国) is being discussed.(10)________________________(他为什么哭)is nt clear.
Wh will pick him up
Which class will win the ftball match
Whether he can buy the plane ticket
Hw we will g there
What yu tld me just nw
When he will g abrad
Why he cries
2 用it 作形式主语的主语从句当主语从句太长,为了避免头重脚轻,常用it 作形式主语,而把主语从句后置。用it 作形式主语的常见句型有:(1)It+be+ 形容词 +that 从句.常用于该句型的形容词有clear,bvius,true,natural,pssible,likely,certain,frtunate,strange,necessary,imprtant 等。It was clear that the girl tld a lie. 很明显,那个女孩说谎了。(2)It+be+ 名词(词组)+that 从句 .常用于该句型的名词(词组)有a pity,a shame,gd news,a fact,an hnur,a wnder,n wnder 等。It is a pity that yur parents didn’t permit yu t g with us.你父母不允许你和我们一起去,真遗憾。It is n wnder that yu’ve attained such great success.难怪你取得了这么大的成功。[词汇复现]
(3)It+be+ 过去分词 + that 从句.常用于该句型的过去分词有said,believed,reprted,thught,expected,decided,annunced,suggested,hped 等。It is reprted that a vilent earthquake happened in Japan.据报道,日本发生了强烈的地震。(4)It + 不及物动词(短语)+ that 从句 .常用于该句型的不及物动词(短语)有seem(看上去),turn ut (证明是),happen(碰巧),appear(显得)等。It seems that the strike was carefully planned. 看起来,这次罢工是精心策划的。 It appears that there has been a mistake. 看来有一个差错。
单句语法填空(1)[词汇复现]It is certain ____________ the by is reliable.(2)It ____________(be) bvius that the driver culd nt cntrl his car.(3) Is it pssible that they ____________(cme)tmrrw?(4)____________ is clear that he is telling the truth.(5)[词汇复现]It wrried her a bit ____________ her mther didn’t apprve f her leaving hme tnight.(6)It ____________(shck) me that Peter didn’t tell anybdy where he was.完成句子(7)____________________(都没有关系)whether he likes it r nt.(8)[词汇复现]______________________(结果是) ur assumptin was wrng.
It desn’t matter
It turned ut that
Language pints
教材原句p.52Then businessmen decided t make use f it t grw green vegetables t meet increasing cnsumptin demands. 后来商人决定利用它种植绿色蔬菜,以满足日益增长的消费需求。
1 make use f 利用;使用We will make gd use f ur time t learn English well.我们将好好利用时间学好英语。S by the 1600’s Shakespeare was able t make use f a wider vcabulary than ever befre. 所以到17 世纪,莎士比亚能用的词汇量比以前任何时期都大。【归纳拓展】
完成句子(1)Yu can ________________________(随意使用)it as yu like.(2)Yu’d better ________________________ (利用空闲时间) t take exercise.(3)Every minute shuld _______________________________(被充分利用来学习) ur lessns well.(4)D yu knw any ther __________ we can____________ the mbile phne?(你知道手机的其他用途吗?)
make any use f
make use f yur spare time
be made full/gd use f t study
make full/gd use f 的宾语every minute 充当了主语,所以句子要用被动语态。
教材原句p.53S they have made up their minds t mve t the cuntryside,where they can live a green life.所以他们决定搬到农村去,在那里他们可以过上绿色的生活。2 make up ne’s mind 下决心,决定Have yu made up yur mind which rute t take?你决定好走哪条路线了吗?The experiences in sme African cuntries let him make up his mind t start his wn schl.他在非洲一些国家的经历使他下定决心创办自己的学校。【学法点拨】决定做某事/ 下决心做某事:make up ne’s mind t d sth.decide t d sth.be determined t d sth.
【归纳拓展】 mind 记住……;考虑到……keep ne’s mind n... 把注意力集中于……be/g ut f ne’s mind 心智失常,发疯lse ne’s mind 失去理智 change ne’s mind 改变主意Yu must always keep the reader in mind when writing a reprt.写报道的时候你一定要考虑到读者。I was s angry that I lst my mind. 我很生气,以至于失去了理智。
单句语法填空(1)Once she ______________(make) up her mind,nthing can change it.(2)At present,he is frequently changing ___________(he)mind.(3)[词汇复现]I have made up my mind ____________(devte)my spare time t wrking as a vlunteer.完成句子(4)She gave me a determined lk—the kind that said she wuld nt ___________________(改变主意).(5)We ________________________ (已下定决心)g n a jurney t a strange cuntry.
has made/makes
change her mind
have made up ur minds t
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