最新冀教版英語(yǔ)九年級(jí)上冊(cè)課件第五單元第五課時(shí)

Unit5LookintoScienceLesson29DNA—TheStoryofYou九年級(jí)英語(yǔ)上新課標(biāo)[冀教]Unit5LookintoScienceLessThisistheshapeofDNA.“DNA”isshortfordeoxyribonucleicacid.最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)ThisistheshapeofDNA.“DNAThetwogirlsare

twins.

Maybetheyhavethe

identical

DNA.

最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)Thetwogirlsaretwins.MaybeFangZuminglookslikehisfather—ChengLong.

最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)FangZuminglookslikehisfatNewWords

DNAblueprintgeneralcomplextwinrepeatpatternidentifyrelatedgrandsongranddaughterinstruction最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)NewWordsDNARead

the

lesson

and

answer

the

questions.(1)What

is

a

blueprint?(2)Which

is

more

complex,building

a

living

thing

or

building

a

house?(3)Do

some

twins

have

the

same

DNA?A

blueprint

is

a

drawing

that

shows

how

to

put

a

house

together

with

many

different

parts.Building

a

living

thing

is

far

more

complex

than

building

a

house.

Yes,they

do.最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)Readthelessonandanswerthe(4)Is

it

possible

to

change

your

DNA?(5)Whose

DNA

is

related

to

yours?Yes,it

is.In

the

future,scientists

might

be

able

to

change

our

DNA.People

who

are

related

to

me.For

example,my

parents

and

grandparents.最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)(4)IsitpossibletochangeyoMain

phrases:·in

general·except

for·be

related

to·billions

ofRead

the

text

and

find

out

main

phrases

and

sentences.最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)Mainphrases:ReadthetextandMain

sentences:·What

can

scientists

do

with

DNA?·But

building

a

living

thing

is

far

more

complex

than

building

a

house.·Except

for

some

twins,every

living

thing

has

its

own

unique

DNA.·Some

health

problems

can

be

caused

by

problems

in

your

DNA.最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)Mainsentences:最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)·In

the

future,scientists

might

be

able

to

change

your

DNA.·There

are

copies

of

your

DNA

in

every

part

of

your

body.·You

have

your

own

unique

DNA,but

it

repeats

patterns

from

your

parents’

DNA.·Your

DNA

has

billions

of

instructions

that

explain

why

you

are

the

way

you

are.·It’s

one

of

the

most

amazing

things

on

the

earth!最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)·Inthefuture,scientistsmigh☆教材解讀☆1.What

can

scientists

do

with

DNA?do

with為固定短語(yǔ),意為“處理”,強(qiáng)調(diào)對(duì)象,與疑問(wèn)詞what連用。【拓展】

deal

with也意為“對(duì)待,處理”,側(cè)重處理的方式、方法,與疑問(wèn)詞how連用。2.Ingeneral,ablueprintisadrawingthatshowshowtoputahousetogetherwithmanydifferentparts.◆in

general意為“一般而言,概括說(shuō)來(lái)”,通常置于句首,也可以用generally

speaking來(lái)表示?！鬱ifferent為形容詞,意為“不同的”,常用于以下結(jié)構(gòu)中:be

different

from與……不同;be

different

in…在……上不同。最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)☆教材解讀☆最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)3.Butbuildingalivingthingisfarmorecomplexthanbuildingahouse.◆living為形容詞,意為“活著的,活的”,常作定語(yǔ)?！鬴ar為副詞,意為“非常,遠(yuǎn)遠(yuǎn)”,用來(lái)修飾形容詞和副詞的比較級(jí),表示程度?！就卣埂客瑯佑梅ǖ脑~還有even“甚至”;rather“相當(dāng)”;much“……得多”;alittle/bit“有點(diǎn)”;alot“……得多”等等。最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)3.Butbuildingalivingthing4.Exceptforsometwins,everylivingthinghasitsownuniqueDNA.◆exceptfor意為“除……之外,要不是由于”,它要求排除的是不同類的?！颈嫖觥縠xceptfor,except,besides,but(1)exceptfor意為“除了”,表示對(duì)主體的肯定和局部的否定,用于不同類的事物間。(2)except可用作介詞,意為“除了……之外”,表示同類事物間的排除關(guān)系。(3)besides可用作介詞,意為“除……之外”,表示同類事物間的疊加關(guān)系。(4)but可用作介詞,意為“除……之外”,常與no,all,every,each,none,nobody等詞連用,有時(shí)可與except互換。最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)4.Exceptforsometwins,every◆every為形容詞,意為“每一的,每一個(gè)的”,其后接單數(shù)名詞;“every+單數(shù)名詞”作主語(yǔ)時(shí),謂語(yǔ)動(dòng)詞用單數(shù);every強(qiáng)調(diào)整體概念,不能直接與of連用,指三者及三者以上中的每一個(gè)?！就卣埂縠ach可作形容詞,意為“每個(gè)的”,也可用作代詞,意為“每個(gè)”,each作形容詞時(shí)只能作定語(yǔ),其后接單數(shù)名詞;“each+單數(shù)名詞”或each作主語(yǔ)時(shí),謂語(yǔ)動(dòng)詞用單數(shù);each強(qiáng)調(diào)個(gè)體,可與of連用,指兩者及兩者以上中的每一個(gè)?！咀⒁狻俊癳very/each+單數(shù)名詞+and+every/each+單數(shù)名詞”結(jié)構(gòu)作主語(yǔ)時(shí),謂語(yǔ)動(dòng)詞用單數(shù)形式。◆own作形容詞,意為“自己的”,位于物主代詞或名詞所有格之后,還可作動(dòng)詞,意為“擁有”,其后賓語(yǔ)多表示房屋、土地或財(cái)產(chǎn)等,其名詞形式為owner,意為“物主”。最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)◆every為形容詞,意為“每一的,每一個(gè)的”,其后接單數(shù)名5.SomehealthproblemscanbecausedbyproblemsinyourDNA.◆health為不可數(shù)名詞,意為“健康”,常構(gòu)成短語(yǔ)ingood/badhealth,意為“健康/不健康”?！就卣埂?1)healthy為形容詞,意為“健康的”;unhealthy意為“不健康的”,keep/stayhealthy意為“保持健康”。(2)healthily為副詞,意為“健康地”,eathealthily意為“吃得健康”。◆cause為及物動(dòng)詞,意為“引起,導(dǎo)致,發(fā)生”,后面可接雙賓語(yǔ),也可接動(dòng)詞不定式作賓語(yǔ)補(bǔ)足語(yǔ)?！就卣埂縞ause作名詞,意為“原因,起因”。指導(dǎo)致某種結(jié)果、造成一種事實(shí)的原因,通常與of連用。最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)5.Somehealthproblemscanbe6.Inthefuture,scientistsmightbeabletochangeyourDNA.beableto意為“能,會(huì)”,表示通過(guò)努力而獲得的能力,強(qiáng)調(diào)結(jié)果,可用于各種時(shí)態(tài),其后接動(dòng)詞原形。7.YouhaveyourownuniqueDNA,butitrepeatspatternsfromyourparents’DNA.◆repeat為及物動(dòng)詞,意為“重復(fù),重述”,后接名詞或代詞作賓語(yǔ)?！魀arents’意為“父母親的”,是復(fù)數(shù)名詞的所有格形式。最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)6.Inthefuture,scientistsmig8.FromyourDNA,scientistscanidentifynotonlyyou,butalsopeoplewhoarerelatedtoyou.

◆identify為及物動(dòng)詞,意為“確認(rèn),識(shí)別,鑒別”,后接名詞或代詞作賓語(yǔ)?！鬮erelatedto意為“和……有聯(lián)系,和……有關(guān),與……有親戚關(guān)系”。related為形容詞,意為“有關(guān)的,相關(guān)的”。relate為動(dòng)詞,意為“把……聯(lián)系起來(lái)”,常與to或with搭配。最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)8.FromyourDNA,scientistscan9.YourDNAhasbillionsofinstructionsthatexplainwhyyouarethewayyouare.本句句末的youare是theway的定語(yǔ)從句。theway的定語(yǔ)從句的引導(dǎo)詞可用inwhich,或用that,也可以不用引導(dǎo)詞。way在本句中意為“情況,狀態(tài)”。10.It’soneofthemostamazingthingsontheearth!oneofthemostamazingthings意為“最令人驚奇的事情之一”,為“oneofthe+形容詞的最高級(jí)+復(fù)數(shù)名詞”結(jié)構(gòu)。其中定冠詞the也可使用形容詞性的物主代詞來(lái)代替。最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)9.YourDNAhasbillionsofinsIs

it

a

good

idea

to

change

the

DNA

of

the

food

we

eat?Some

people

say

doing

this

makes

our

food

better.Others

think

it’s

too

dangerous.Search

the

Internet

for

information

and

write

down

your

ideas.·Do

you

think

it’s

a

good

idea

to

change

the

DNA

of

the

food

we

eat?Why

or

why

not?·What

are

some

of

the

positives

of

genetically

modified

food?·What

are

some

of

the

negatives

of

genetically

modified

food?最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)IsitagoodideatochangeⅠ.Fill

in

the

blanks

with

the

phrases

in

the

box.in

general,except

for,not

only…but

also,related

to,even

if,the

same…as…1.Your

homework

is

quite

good

a

few

spelling

mistakes.2.

the

young

the

old

like

pop

music.3.Kate’s

hair

is

colour

her

sister’s.4.

,women

live

longer

than

men.5.

many

difficulties

remain,we

can

overcome

them.6.Is

wealth

happiness?except

forNot

only

but

alsothe

same

asIn

generalEven

ifrelated

toPractice最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)Ⅰ.FillintheblankswiththeⅡ.Complete

the

passage

with

the

sentences

in

the

box.Changing

DNA

Do

you

know

DNA

can

be

changed?Have

you

ever

seen

a

pig

with

a

dog’s

body?Of

course

not!Pigs

and

dogs

can’t

have

babies

together.

But

now,scientists

can

do

it.Scientists

can

take

DNA

from

one

kind

of

animal

and

put

it

into

another

kind

of

animal.They

can

design

new

plants

by

combining

the

DNA

of

other

plants.

________

Some

scientists

are

worried.They

say

we

need

to

know

more

about

DNA

before

we

start

changing

it.

But

what

if

the

plants

are

bad

for

humans,too?A.Their

DNA

can’t

combine.B.We

can

make

plants

that

are

bad

for

pests.C.They

can

even

combine

the

DNA

of

a

plant

and

an

animal.ACB最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)Ⅱ.CompletethepassagewiththⅢ.同義句轉(zhuǎn)換1.Both

you

and

Linda

give

us

a

big

surprise.

you

Linda_____

us

a

big

surprise.2.It

takes

me

half

an

hour

to

clean

up

my

room.I

half

an

hour

up

my

room.3.My

book

isn’t

the

same

as

his.My

book

is

his.4.What

do

you

do

with

this

problem?

do

you

with

this

problem?5.He

can

speak

Chinese.He

is

speak

Chinese.6.I

don’t

know

how

I

could

build

a

house.I

don’t

know

how

a

house.Not

only

but

alsospend

cleaningdifferent

fromHow

dealto

buildable

togives最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)Ⅲ.同義句轉(zhuǎn)換NotonlyHomework1.Finish

off

the

exercises

in

the

activity

book.2.Preview

Lesson

30.最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)Homework最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)Unit5LookintoScienceLesson29DNA—TheStoryofYou九年級(jí)英語(yǔ)上新課標(biāo)[冀教]Unit5LookintoScienceLessThisistheshapeofDNA.“DNA”isshortfordeoxyribonucleicacid.最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)ThisistheshapeofDNA.“DNAThetwogirlsare

twins.

Maybetheyhavethe

identical

DNA.

最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)Thetwogirlsaretwins.MaybeFangZuminglookslikehisfather—ChengLong.

最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)FangZuminglookslikehisfatNewWords

DNAblueprintgeneralcomplextwinrepeatpatternidentifyrelatedgrandsongranddaughterinstruction最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)NewWordsDNARead

the

lesson

and

answer

the

questions.(1)What

is

a

blueprint?(2)Which

is

more

complex,building

a

living

thing

or

building

a

house?(3)Do

some

twins

have

the

same

DNA?A

blueprint

is

a

drawing

that

shows

how

to

put

a

house

together

with

many

different

parts.Building

a

living

thing

is

far

more

complex

than

building

a

house.

Yes,they

do.最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)Readthelessonandanswerthe(4)Is

it

possible

to

change

your

DNA?(5)Whose

DNA

is

related

to

yours?Yes,it

is.In

the

future,scientists

might

be

able

to

change

our

DNA.People

who

are

related

to

me.For

example,my

parents

and

grandparents.最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)(4)IsitpossibletochangeyoMain

phrases:·in

general·except

for·be

related

to·billions

ofRead

the

text

and

find

out

main

phrases

and

sentences.最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)Mainphrases:ReadthetextandMain

sentences:·What

can

scientists

do

with

DNA?·But

building

a

living

thing

is

far

more

complex

than

building

a

house.·Except

for

some

twins,every

living

thing

has

its

own

unique

DNA.·Some

health

problems

can

be

caused

by

problems

in

your

DNA.最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)Mainsentences:最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)·In

the

future,scientists

might

be

able

to

change

your

DNA.·There

are

copies

of

your

DNA

in

every

part

of

your

body.·You

have

your

own

unique

DNA,but

it

repeats

patterns

from

your

parents’

DNA.·Your

DNA

has

billions

of

instructions

that

explain

why

you

are

the

way

you

are.·It’s

one

of

the

most

amazing

things

on

the

earth!最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)·Inthefuture,scientistsmigh☆教材解讀☆1.What

can

scientists

do

with

DNA?do

with為固定短語(yǔ),意為“處理”,強(qiáng)調(diào)對(duì)象,與疑問(wèn)詞what連用?！就卣埂?/p>

deal

with也意為“對(duì)待,處理”,側(cè)重處理的方式、方法,與疑問(wèn)詞how連用。2.Ingeneral,ablueprintisadrawingthatshowshowtoputahousetogetherwithmanydifferentparts.◆in

general意為“一般而言,概括說(shuō)來(lái)”,通常置于句首,也可以用generally

speaking來(lái)表示?！鬱ifferent為形容詞,意為“不同的”,常用于以下結(jié)構(gòu)中:be

different

from與……不同;be

different

in…在……上不同。最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)☆教材解讀☆最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)3.Butbuildingalivingthingisfarmorecomplexthanbuildingahouse.◆living為形容詞,意為“活著的,活的”,常作定語(yǔ)?！鬴ar為副詞,意為“非常,遠(yuǎn)遠(yuǎn)”,用來(lái)修飾形容詞和副詞的比較級(jí),表示程度?！就卣埂客瑯佑梅ǖ脑~還有even“甚至”;rather“相當(dāng)”;much“……得多”;alittle/bit“有點(diǎn)”;alot“……得多”等等。最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)3.Butbuildingalivingthing4.Exceptforsometwins,everylivingthinghasitsownuniqueDNA.◆exceptfor意為“除……之外,要不是由于”,它要求排除的是不同類的?！颈嫖觥縠xceptfor,except,besides,but(1)exceptfor意為“除了”,表示對(duì)主體的肯定和局部的否定,用于不同類的事物間。(2)except可用作介詞,意為“除了……之外”,表示同類事物間的排除關(guān)系。(3)besides可用作介詞,意為“除……之外”,表示同類事物間的疊加關(guān)系。(4)but可用作介詞,意為“除……之外”,常與no,all,every,each,none,nobody等詞連用,有時(shí)可與except互換。最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)4.Exceptforsometwins,every◆every為形容詞,意為“每一的,每一個(gè)的”,其后接單數(shù)名詞;“every+單數(shù)名詞”作主語(yǔ)時(shí),謂語(yǔ)動(dòng)詞用單數(shù);every強(qiáng)調(diào)整體概念,不能直接與of連用,指三者及三者以上中的每一個(gè)?！就卣埂縠ach可作形容詞,意為“每個(gè)的”,也可用作代詞,意為“每個(gè)”,each作形容詞時(shí)只能作定語(yǔ),其后接單數(shù)名詞;“each+單數(shù)名詞”或each作主語(yǔ)時(shí),謂語(yǔ)動(dòng)詞用單數(shù);each強(qiáng)調(diào)個(gè)體,可與of連用,指兩者及兩者以上中的每一個(gè)?！咀⒁狻俊癳very/each+單數(shù)名詞+and+every/each+單數(shù)名詞”結(jié)構(gòu)作主語(yǔ)時(shí),謂語(yǔ)動(dòng)詞用單數(shù)形式?！鬿wn作形容詞,意為“自己的”,位于物主代詞或名詞所有格之后,還可作動(dòng)詞,意為“擁有”,其后賓語(yǔ)多表示房屋、土地或財(cái)產(chǎn)等,其名詞形式為owner,意為“物主”。最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)◆every為形容詞,意為“每一的,每一個(gè)的”,其后接單數(shù)名5.SomehealthproblemscanbecausedbyproblemsinyourDNA.◆health為不可數(shù)名詞,意為“健康”,常構(gòu)成短語(yǔ)ingood/badhealth,意為“健康/不健康”?！就卣埂?1)healthy為形容詞,意為“健康的”;unhealthy意為“不健康的”,keep/stayhealthy意為“保持健康”。(2)healthily為副詞,意為“健康地”,eathealthily意為“吃得健康”?！鬰ause為及物動(dòng)詞,意為“引起,導(dǎo)致,發(fā)生”,后面可接雙賓語(yǔ),也可接動(dòng)詞不定式作賓語(yǔ)補(bǔ)足語(yǔ)。【拓展】cause作名詞,意為“原因,起因”。指導(dǎo)致某種結(jié)果、造成一種事實(shí)的原因,通常與of連用。最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)5.Somehealthproblemscanbe6.Inthefuture,scientistsmightbeabletochangeyourDNA.beableto意為“能,會(huì)”,表示通過(guò)努力而獲得的能力,強(qiáng)調(diào)結(jié)果,可用于各種時(shí)態(tài),其后接動(dòng)詞原形。7.YouhaveyourownuniqueDNA,butitrepeatspatternsfromyourparents’DNA.◆repeat為及物動(dòng)詞,意為“重復(fù),重述”,后接名詞或代詞作賓語(yǔ)?！魀arents’意為“父母親的”,是復(fù)數(shù)名詞的所有格形式。最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)6.Inthefuture,scientistsmig8.FromyourDNA,scientistscanidentifynotonlyyou,butalsopeoplewhoarerelatedtoyou.

◆identify為及物動(dòng)詞,意為“確認(rèn),識(shí)別,鑒別”,后接名詞或代詞作賓語(yǔ)?！鬮erelatedto意為“和……有聯(lián)系,和……有關(guān),與……有親戚關(guān)系”。related為形容詞,意為“有關(guān)的,相關(guān)的”。relate為動(dòng)詞,意為“把……聯(lián)系起來(lái)”,常與to或with搭配。最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)8.FromyourDNA,scientistscan9.YourDNAhasbillionsofinstructionsthatexplainwhyyouarethewayyouare.本句句末的youare是theway的定語(yǔ)從句。theway的定語(yǔ)從句的引導(dǎo)詞可用inwhich,或用that,也可以不用引導(dǎo)詞。way在本句中意為“情況,狀態(tài)”。10.It’soneofthemostamazingthingsontheearth!oneofthemostamazingthings意為“最令人驚奇的事情之一”,為“oneofthe+形容詞的最高級(jí)+復(fù)數(shù)名詞”結(jié)構(gòu)。其中定冠詞the也可使用形容詞性的物主代詞來(lái)代替。最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)9.YourDNAhasbillionsofinsIs

it

a

good

idea

to

change

the

DNA

of

the

food

we

eat?Some

people

say

doing

this

makes

our

food

better.Others

think

it’s

too

dangerous.Search

the

Internet

for

information

and

write

down

your

ideas.·Do

you

think

it’s

a

good

idea

to

change

the

DNA

of

the

food

we

eat?Why

or

why

not?·What

are

some

of

the

positives

of

genetically

modified

food?·What

are

some

of

the

negatives

of

genetically

modified

food?最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)IsitagoodideatochangeⅠ.Fill

in

the

blanks

with

the

phrases

in

the

box.in

general,except

for,not

only…but

also,related

to,even

if,the

same…as…1.Your

homework

is

quite

good

a

few

spelling

mistakes.2.

the

young

the

old

like

pop

music.3.Kate’s

hair

is

colour

her

sister’s.4.

,women

live

longer

than

men.5.

many

difficulties

remain,we

can

overcome

them.6.Is

wealth

happiness?except

forNot

only

but

alsothe

same

asIn

generalEven

ifrelated

toPractice最新冀教版初中英語(yǔ)精品課件設(shè)計(jì)Ⅰ.FillintheblankswiththeⅡ.Complete

the

passage

with

the

sentences

in

the

box.Changing

DNA

Do

you

know

DNA

can

be