冀教版九年級(jí)英語(yǔ)上冊(cè) （Science Affects Us）Look into Science!教學(xué)課件

Unit5LookintoScienceScienceAffectsUs九年級(jí)英語(yǔ)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(gè)人,人人”。不定代詞作主語(yǔ)時(shí),謂語(yǔ)動(dòng)詞應(yīng)用單數(shù)形式;不定代詞被形容詞修飾時(shí),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(shí),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(dòng)詞,意為“提議,提出”,后可接名詞/v.-ing,或接that引導(dǎo)的賓語(yǔ)從句,that從句用“should+動(dòng)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(jiàn)”。4.First,getajarfullofwaterandapieceofcardboard.本句中的短語(yǔ)fullofwater用在名詞jar之后作定語(yǔ),不定式、介詞短語(yǔ)和定語(yǔ)從句等都可用在名詞后作定語(yǔ)。5.Coverthejarwiththecardboardandturnthejarover.turn…over意為“將……翻過(guò)來(lái)?！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(lái)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??！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(dòng)詞,意為“影響”,相當(dāng)于influence,常構(gòu)成短語(yǔ):beaffectedby被……影響?！就卣埂縠ffect為名詞,意為“結(jié)果,影響”。haveaneffecton意為“對(duì)……有影響”。9.Ourliveswouldsurelybeverydifferentwithoutscientificdevelopments.development為名詞,意為“發(fā)展,成長(zhǎng)”,thedevelopmentof意為“……的發(fā)展”?！就卣埂縟evelop為動(dòng)詞,意為“(使)成長(zhǎng),發(fā)展”,adevelopingcountry發(fā)展中國(guó)家,adevelopedcountry發(fā)達(dá)國(guó)家。10.Ialwayswonderwhatlifewouldbelikewithoutcomputersormobilephones.wonder為及物動(dòng)詞,意為“驚奇,想知道”,相當(dāng)于wanttoknow,其后可接“疑問(wèn)詞+動(dòng)詞不定式”結(jié)構(gòu)和賓語(yǔ)從句?！就卣埂?1)wonder還可作不及物動(dòng)詞,意為“覺(jué)得奇怪,想知道”,可構(gòu)成短語(yǔ)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(lái)越好”。形容詞或副詞的比較級(jí)重復(fù)使用,并用and連接,表示程度的增加,意為“越來(lái)越……”,這一結(jié)構(gòu)是“比較級(jí)+and+比較級(jí)”。如果是多音節(jié)的形容詞或副詞表達(dá)這一含義時(shí)應(yīng)用“moreandmore+形容詞或副詞的原級(jí)”表示?！就卣埂俊皌he+比較級(jí),the+比較級(jí)”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(xiàng)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(yǔ)意思完成句子1.我想知道那是什么意思。I

what

that

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

caused

a

tremendous

commotion

the

scientific

world.3.這個(gè)實(shí)驗(yàn)聽(tīng)起來(lái)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