冀教版九年級英語上冊 （Science Affects Us）Look into Science!教學(xué)課件

Unit5LookintoScienceScienceAffectsUs九年級英語上新課標(biāo)[冀教]

Fun

Facts:·Your

nose

and

ears

continue

growing

throughout

your

entire

life.·Babies

blink

only

once

or

twice

a

minute

while

adults

blink

around

10

times

a

minute.·Your

fingerprints

are

unique

and

so

are

your

tongue

prints.·The

earth

isn’t

perfectly

round.It

is

slightly

flattened

at

the

North

and

South

poles.·A

dog’s

hearing

is

more

sensitive

than

a

human’s.Dogs

can

hear

noises

that

we

can’t.·It

takes

your

body

12

hours

to

completely

digest

a

meal.NewWords

affectsuggestdevelopmentmobilephonediscoveryMain

phrases:·be

like·turn…over·push

up·push

down·in

placeRead

the

text

and

find

out

main

phrases

and

sentences.Main

sentences:·Everyone

here

is

fine.·I

suggest

you

try

it,too!·First,get

a

jar

full

of

water

and

a

piece

of

cardboard.·Yes,science

is

interesting,and

it

affects

our

everyday

lives.·Our

lives

would

surely

be

very

different

without

scientific

developments.·I

always

wonder

what

life

would

be

like

without

computers

or

mobile

phones.·Scientific

discoveries

are

making

our

lives

better

and

better.☆教材解讀☆1.What

would

life

be

like

without

computers

or

mobile

phones?be

like意為“像”,多指品質(zhì)、性格等內(nèi)在方面的相似。【拓展】

(1)look

like偏于外貌上的形似。(2)take

after意為“(外貌或行為)像(父母)”。2.Everyonehereisfine.

everyone為不定代詞,意為“每個人,人人”。不定代詞作主語時,謂語動詞應(yīng)用單數(shù)形式;不定代詞被形容詞修飾時,形容詞應(yīng)后置;含有不定代詞的句子在進(jìn)行肯定和否定轉(zhuǎn)化時,可將不定代詞進(jìn)行變化;“不定代詞+else”意為“別的……”;不定代詞的所有格直接在詞尾加“’s”,“不定代詞+else”的所有格需在else后加“’s”。3.Isuggestyoutryit,too!suggest為動詞,意為“提議,提出”,后可接名詞/v.-ing,或接that引導(dǎo)的賓語從句,that從句用“should+動詞原形”,should可以省略?！就卣埂縮uggestion作可數(shù)名詞,意為“建議,意見”。4.First,getajarfullofwaterandapieceofcardboard.本句中的短語fullofwater用在名詞jar之后作定語,不定式、介詞短語和定語從句等都可用在名詞后作定語。5.Coverthejarwiththecardboardandturnthejarover.turn…over意為“將……翻過來?！薄就卣埂縯urnover還意為“移交,仔細(xì)考慮”。6.Theairpressurepushinguponthecardboardishigherthanthatofthewaterpushingdownfrominsidethejar.◆pushup意為“向上推,提高”?！魀ushdown意為“向下按,推倒,壓倒”?！魌hat用來替代“the+前述名詞”,以避免重復(fù)。7.Thehigherairpressureoutsidethejarholdsthecardboardinplace.inplace意為“原位,在恰當(dāng)?shù)奈恢谩薄！就卣埂?1)inplaceofsb./sth.=insb.’s/sth’splace代替/頂替某人/物(2)takeplace發(fā)生(3)takesb.’s/sth.’splace=taketheplaceofsb./sth.代替/替換某人/物8.Yes,scienceisinteresting,anditaffectsoureverydaylives.

affect為及物動詞,意為“影響”,相當(dāng)于influence,常構(gòu)成短語:beaffectedby被……影響?！就卣埂縠ffect為名詞,意為“結(jié)果,影響”。haveaneffecton意為“對……有影響”。9.Ourliveswouldsurelybeverydifferentwithoutscientificdevelopments.development為名詞,意為“發(fā)展,成長”,thedevelopmentof意為“……的發(fā)展”?！就卣埂縟evelop為動詞,意為“(使)成長,發(fā)展”,adevelopingcountry發(fā)展中國家,adevelopedcountry發(fā)達(dá)國家。10.Ialwayswonderwhatlifewouldbelikewithoutcomputersormobilephones.wonder為及物動詞,意為“驚奇,想知道”,相當(dāng)于wanttoknow,其后可接“疑問詞+動詞不定式”結(jié)構(gòu)和賓語從句?！就卣埂?1)wonder還可作不及物動詞,意為“覺得奇怪,想知道”,可構(gòu)成短語wonderabout/at。(2)wonder還可作可數(shù)名詞,意為“奇跡”。(3)wonderful為形容詞,意為“美妙的”。11.Scientificdiscoveriesaremakingourlivesbetterandbetter.betterandbetter意為“越來越好”。形容詞或副詞的比較級重復(fù)使用,并用and連接,表示程度的增加,意為“越來越……”,這一結(jié)構(gòu)是“比較級+and+比較級”。如果是多音節(jié)的形容詞或副詞表達(dá)這一含義時應(yīng)用“moreandmore+形容詞或副詞的原級”表示?！就卣埂俊皌he+比較級,the+比較級”意為“越……越……”。Here

are

some

inventions.How

do

they

affect

our

everyday

lives?Talk

about

them

with

your

partner.Example:With

TVI

watch

TV

to

get

information.

WithoutTVIwouldspendmoretimetalkingwithmyfamily.

TV,camera,radio,computer,telephone,light

bulb,clock,washing

machine,compass,telescope,X-ray,eyeglassesⅠ.Fill

in

the

blanks

with

the

correct

forms

of

the

words

in

the

box.

discover,affect,suggest,place,develop1.Jenny

they

use

a

stronger

piece

of

cardboard

for

the

experiment.2.The

air

pressure

the

result

of

the

experiment.3.The

experiment

led

to

a

wonderful

.4.What

are

your

plans

for

the

of

your

company?5.They

used

a

rock

to

hold

the

map

in

.suggestsaffectsdiscoverydevelopmentplacePracticeⅡ.單項填空1.They

often

experiments

in

class

last

term.

A.do

B.did

C.does

D.to

do2.He

covered

the

desk

a

cloth.A.of

B.with

C.at

D.in3.I

did

an

interesting

experiment

and

wanted

my

classmates.A.to

surprise

at

B.to

surpriseC.to

be

surprised

at

D.surprise4.The

air

pushes

on

us

above.A.down,from

B.up,fromC.from,down

D.from,up5.Students

shouldn’t

go

to

school

breakfast.It’s

bad

for

their

health.A.with

B.without

C.for

D.byBBBBAⅢ.根據(jù)漢語意思完成句子1.我想知道那是什么意思。I

what

that

means.2.那項發(fā)現(xiàn)在科學(xué)界引起極大的轟動。The

caused

a

tremendous

commotion

the

scientific

world.3.這個實驗聽起來很有趣。The

experiment

.4.我喜歡了解自然科學(xué)的發(fā)展。I

about

scientific

developments.5.他們用一塊石頭將地圖壓制妥當(dāng)。They

used

a

rock

to

hold

the

map

.wonderdiscoveryinsounds

interestingenjoy

learningin

placeHomework1.Finish

off

the

exercises

in

the

activity

book.2.Finish

off

the

exercises

about

Unit

Review

in

the

student’s

book.Unit5LookintoScienceScienceAffectsUs

●Haveyoueverdoneanyinterestingexperiments?Canyoudescribeoneofthem?●Whatwouldlifebelikewithoutcomputersormobilephones?Thinkaboutit1.affectv.影響

e.g.

Howwillthesechangesaffectus?

這些變化對我們會有什么影響?2.suggestv.

建議,提議;暗示

e.g.I

suggested

goingforawalk.

我建議去散步。NewWords5.discoveryn.發(fā)現(xiàn);發(fā)覺

e.g.scientificdiscovery

科學(xué)發(fā)現(xiàn)

importantdiscovery

重要的發(fā)現(xiàn)Readthelessonandfillintheblanks.Scienceaffectspeople’s________lives.Withoutthescientificdevelopmentsofrecentyears,ourliveswouldbeverydifferent.Canyouimaginelifewithoutcomputersor_____________?everydaymobilephonesScientific__________aremakingourlivesbetterandbetter.DNAisreallyoneofthemostamazingthingsontheearth.Manypeoplethinkitwill_______theworld.discoverieschange1.Isuggestyoutryit,too!

我建議你也試一試！

suggest動詞,意思是“建議;提出”。后可接名詞和v.-ing,也可接that賓語從句,that從句用should+動詞原形,should可以省略。e.g.Dannysuggestedgoingtogetherinonecar.

丹尼建議大家同坐一輛車去。

Shesuggestedthatwe(should)takeawalk.

她提議我們出去散步。suggestionn.提議;意見;暗示e.g.Wehavehadseveralsuggestionsonanameforthebaby.

我們已經(jīng)得到好幾個給寶寶取名的建議了。

Iwouldlikeyoursuggestionsaboutplanningmyeducation.

有關(guān)我的教育我需要你的建議。suggest和advise都可作“建議”講，但二者的用法有異同?！锵嗤c：suggest和advise后面都可以接名詞、代詞、v.-ing形式或that從句作賓語。需要注意的是，當(dāng)suggest和advise

后面接that從句時，從句中的謂語動詞要用“should+動詞原形”的虛擬語氣形式，而should?？梢允÷?。e.g.Wesuggested/advisedanearlystart.

我們建議早點出發(fā)。

Perhapsyoucouldsuggest/advise

somethingthatwouldhelpher.

也許你可以建議一下幫助她的事。

Petersuggested/adviseddoingitinadifferentway.

彼特建議以不同的方式做這件事?！锊煌c：advise可以用于“advisesb.todosth.”結(jié)構(gòu)中，而suggest則不可以。

e.g.MyfriendTommyadvisedmetoringuptoseeifMarywasthere.

我的朋友湯米建議我打個電話看瑪麗是否在那里。2.Coverthejarwiththecardboardand

turnthejarover.

用硬紙板蓋住廣口瓶,再把它倒過來。

turnover的意思是“把……翻過來”。

e.g.Thesoilmustbeturnedoverbeforeplanting.

播種前必須先翻土。turnover還有“移交;仔細(xì)考慮”的意思。e.g.Ifyoucanturnitoverintime,I’lllendthebooktoyou.

如果你能按時還書,我就把它借給你。

Youshouldturnovertheproblemforhoursbeforeyoumakeadecision.

決定這個問題之前,你應(yīng)該仔細(xì)考慮幾個小時。3.Theairpressurepushinguponthecardboardishigherthanthatofthewaterpushingdownfrominsidethejar.

托著紙片的向上的空氣壓力要大于廣口瓶內(nèi)水的向下的壓力。

pushup意思是“向上推；提高”。

e.g.Willyouhelpmetopushupthewindow?

你能幫我把窗戶推上去嗎？pushdown意思是“向下按;推倒;壓倒”。e.g.Whattheyhavedonepusheddownprices.

他們的做法壓低了價錢。4.Thehigherairpressureoutsidethejarholdsthecardboardinplace.

廣口瓶外面的空氣壓力大,把紙片托在原位置。

inplace意思是“原位;在恰當(dāng)?shù)奈恢谩薄?/p>

e.g.Iliketohaveeverythinginplace.

我喜歡把一切東西都放在適當(dāng)?shù)奈恢谩illintheblankswiththecorrectformsofthewords