外研版 (2019)Unit 4 A glimpse of the future图片ppt课件

这是一份外研版 (2019)Unit 4 A glimpse of the future图片ppt课件，共41页。PPT课件主要包含了Grammar ，主谓一致二，have，was， Wow， ， bank on， ，bank on，Example等内容，欢迎下载使用。
Grammar: Subject-verb agreement
Lk at the sentences frm the reading passage and answer the questins.
1. Why is 50 per cent singular in sentence (a) but plural in sentence (c)?
2. What are the subjects in sentences (b) and (d)? Are they singular r plural?
Because in sentence (a), the part “50 per cent” is fllwed by the uncuntable nun “time”, while in sentence (c), the part “50 per cent” is fllwed by the cuntable nun “jb” in its plural frm.
2.What are the subjects in sentences (b) and (d)? Are they singular r plural?
In sentence (b), the part “Every recmmendatin” is the subject.
In sentence (d), the part “ nne f us” is the subject. Bth are singular.
1.表示时间、距离、重量、体积、价格等的复数名词作主语,谓语动词用单数。I think $500 is a large sum f mney fr him.Ten kilmetres is a lng distance fr him t get there n ft.2.分数或百分数作主语,谓语动词根据分数或百分数所指代的名词而定。Tw thirds f his incme has been spent n bks.Frty percent f the ppulatin in that cuntry are still in pverty.
3.“a number f+复数名词”作主语,谓语动词用复数;“the number f+复数名词”作主语,谓语动词用单数。A number f new prducts have been successfully prduced.The number f peple ding fitness training is n the increase.4.a large quantity f与large quantities f修饰名词作主语时,谓语动词根据quantity的单复数形式而定。A large quantity f trees has been planted n either side f the rad.Large quantities f trees have been planted n either side f the rad.
5.从句、不定式或动名词作主语时,谓语动词通常用单数。When the meeting will be held has nt been decided yet.Reading in the sun des harm t ur eyes.
6.主语是what引导的从句,谓语动词的形式根据主语从句表示的意义而定。What we want is medical equipment.What we want are experienced dctrs.
7.定语从句中,关系代词作主语时,谓语动词的形式与先行词保持一致。Mr Smith, wh is nw dwnstairs , is asking t see yu.The Smiths , wh are nw dwnstairs , are asking t see yu.
8.谓语动词的人称和数常常与最近作主语的词语保持一致.常出现在这类句子中的连词有：r , ,,nt als...,等连接。Neither the students nr the teacher knws the reasn why she behaved strangely.He r we are ging t be sent t study abrad .Nt nly Jim but als his parents are fnd f watching ftball games.9.当主语后跟with, tgether with , alng with, as well as, but , rather than；except, besides, including等连结的词组时,其谓语动词的单复数跟主语保持一致。 My father as well as his wrkmates has been t Beijing.  Nbdy but tw students is in the classrm.
1. A library with five thusand bks _____ ffered t the natin as a gift.
2. The teacher, alng with her students, ___ ging t attend the lecture.
3. All but ne ______ (has) arrived here.
4. N ne except tw students _____ late fr class yesterday.
10. "ne f+复数名词+ 定语从句"结构中，定语从句的谓语动词要用复数；"the nly ne f +复数名词+定语从句"的结构中，定语从句的谓语动词要用单数. He is ne f the students wh get there n time. He is the nly ne f the students wh gets there n time. 11. many a/mre than ne+单数可数名词作主语,谓语动词用单数。 Many a student has been sent t plant trees. Mre than ne student has ever been t Beijing.
Cmplete the passage by chsing the singular r plural frm.
Nwadays, sme cmpanies ffer genetic testing fr children’s talents. A large number f clients / has been attracted t it. They are parents, eager t knw what talents their children may have in the future. The prcess is simple. Every child prvide / a small sample f bld r bdy tissue. / These are analysed. Each f the children / are given a reprt shwing their pssible talents. A recent example cited n the website is that ne f the testing cmpanies cmpare / the talents f twins Bbby and Benny. Bbby was assessed and his talents was / revealed t be mstly scientific: a 66% chance f success in chemistry and 54% in physics was / shwn. Meanwhile, Benny’s highest scre / shwn t be in an arts subject: the test gave him 68% fr literary studies. Is genetic testing reliable? Sme scientists say that mre evidence / are needed.
1.What they prvided him 　　　　　(be)a car. 2.Many a student 　　　　　(be) selected t take part in the English cmpetitin , and mre than ne teacher 　　　　　(have) cached them n speaking and writing. 3.Nbdy but three students 　　　　　(be) in the labratry at that time. 
4.The teacher, with 6 girls and 8 bys f her class,　　　　　(visit) a museum when the earthquake struck. 5.Tw fifths f the land in that district 　　　　　(be) cvered with trees and grass. 6.With mre frests being destryed , huge quantities f gd earth 　　　　　________________(wash) away each year. 7.He is the nly ne f the students wh　　　　　 (be) a winner f schlarship fr three years. 
was visiting
are being washed
Cmplete the descriptin accrding t the charts, paying attentin t subject-verb agreement.
Three quarters f the surface is made up f land, while the rest is sea, cvering 25% f the surface.
Three quarters f the surface is made up f land, …
Half f the land is cvered with trees. Residential area and arable land bth accunt fr the same prprtin, 20% f the ttal land. The rest is desert, cvering 10% f the ttal land.
There are three kinds f peple. Fifty per cent f the peple are riginal residents, 30% are frm Earth and 20% are frm ther planets.
be made up f 由…组成 be cvered with 被…覆盖cver 占 accunt fr 占
而其余的是海，占了25%的表面
一半的土地被树覆盖。居住区域和耕地占了相同的比例，总量的20%。其他的地是沙漠，占了总量的10%
有三种人。一半是原住民，30%是地球人，20%是从其他星球来的
Listening & speaking
Listening & speaking: Befre listening
The wrld f tmrrw
Listening & speaking
D Yu Knw? Time travel culd result in a paradx — an event that cntradicts itself. Fr example, if a persn travelled back in time and prevented an event, that event wuld never have happened; there wuld therefre be n reasn fr the persn t travel back in time t prevent it.
Listen t the cnversatin and chse its main idea.
Crrect answer: 3
Time travel is dangerus. Talking t peple in the past can change the future.Anything yu say r d in the past can affect the future. 4. Time travel within yur wn lifetime shuld be avided.
Listen again and cmplete the table.
RULE 1 1__________________________________● A turist wants t 2___________________________________________________________________.because 3___________________________________.● The guide tld her 4 ______________________.
Dn’t talk t anybdy.
tell her 8-year-ld self t buy shares in cmpanies that are prfitable tday
she wants t becme rich
nt t d that
RULE 2 5__________________________________● The guide said that 6____________________________________________________________________
Be careful nt t break anything.
breaking smething culd als cause a paradx and change yur path thrugh life.
RULE 3 7___________________________________________________________________________● A turist wants t 8_________________________● The guide tld him nt t because 9 ___________ _________________________________________________________________________
Never give anything frm ur time t smene in the past.
give a present t his father.
anything that desn’t belng t that time may have an impact n smene and cause a paradx.
Listening & speaking: Discussin
Nw wrk in pairs. Take turns t be the guide and explain the rules f time travel.
1. There are altgether 3 rules f time travel. The first is ..., the secnd is ..., and the last ne is There are 3 rules f time travel in ttal. The first is ..., the secnd is ..., and the last ne is ...
Sentences that may help yu explain the rules:
3. Every turist is suppsed t bear 3 rules f time travel in mind. The first is ..., the secnd is ..., and the last ne is ...
Sentences that may help yu explain the rules :
Cmplete the bxes with the expressins frm the cnversatin.
Amazing! Ww! I can’t wait t ... S, what yu’re saying is that ... Hw abut ... Imagine hw excited ...
That’s Ok, isn’t it? Are yu serius? Let me get this straight. Yu mean that ... It’ll be exciting enugh t ...
1. Amazing!
3. I can’t wait t …
4. Imagine hw excited …
5. It’ll be exciting enugh t …
4. Are yu serius?
1. S, what yu’re saying is that
2. Hw abut …
3. That’s OK, isn’t it?
5. Let me get this straight. Yu mean that …
Vcabulary building
Backgrund Infrmatin
future life
With the AI technlgy develping at such a high speed, ur future life is bund t be quite clrful and dynamic. What aspects f future life will benefit us a lt?
Read the passage and put the expressins in bld int the bxes.
Besides time travel, we have much t lk frward t in the future, thanks t advances in technlgy. One area that is likely t change dramatically within ur lifetimes is medical care. Althugh I wuldn’t bank n patients feeling cnfident abut seeing a rbt
dctr any time sn, I’m sure that AI dctrs are n the hrizn. I think it’s als fair t say that we can get ur hpes up when it cmes t finding cures fr serius diseases, such as cancer. I reckn that nanrbts thatcan eliminate cancerus cells are just arund the
crner. Sme f these ideas may sund far ahead f their time, but I’m sure they’re bund t happen sner r later!
1. within ur lifetimes
2. any time sn
3. n the hrizn
4. arund the crner
5. far ahead f their time
2. get ur hpes up
3. bund t happen
Cmplete the passage with the expressins in Activity 8.
Wh knws in what exciting ways transprt will change 1 __________________? Trains that travel at the speed f tday’s aerplanes may sund 2____________________, but scientists are already develping “hyperlp” trains that travel at ver 1,000 km per hur. And althugh we can’t 3__________flying
within ur lifetimes
far ahead f their time
cars being the nrm 4 _______________, there are plans t intrduce flying taxis that will be statined n rftps arund busy cities. Many cities already have elevated cycle paths and I’m sure that these are 5 ______________ fr many thers arund the wrld. As well as faster, safer and mre cmfrtable transprt being just 6_______________________________,
bund t happen
n the hrizn / arund the crner
any time sn
we can als 7_________________ abut shrter waiting times, with cmpanies intending t prvide n-demand services.
get ur hpes up
Wrk in pairs. Talk abut anther aspect f life in the future using the expressins yu have learnt in this sectin.
A: Hw d yu think the schls and the classes in the future?B: I think prbably there will be virtual schls and students arund the glbe wh wn’t have t g t schl.
Nw think abut hw effectively yur partner used these expressins, and what yu culd learn frm him r her.