八年级英语下册Unit2SectionB2a-2c同步课件

UNIT2StayhealthySectionB2a--2cBytheendofthislesson,studentswillbeableto:Understandandexplainthemeaningofthesuffixes-self/-selves,-less,and-ache.Usewordswiththesesuffixescorrectlyinsentencesandshortpassages.Applycommoninjury-relatedvocabulary(e.g.,injury,suffer,X-ray)incontext.LearningobjectivesLookandGuesshaveatoothacheWhat’sthematter?Hemay

.Whatshouldhedo?Heshould/shouldn’t...LookandGuessWhat’swrongwithhim/her?She/Hemay

.cuthimself/herselfWhatshouldhe/shedo?She/Heshould/shouldn’t...LookandGuessWhat’swrongwithhim?Hemay

.haveaWhatshouldhedo?Heshould/shouldn’t...stomachachestomachacheHowlongdidittakeyoutomemorizetheword?Hereisagoodwayforyoutomemorizealongword.Let’slearnsomesuffixes.n+less:表示从有到无bodypart+ache:表示这个部位有疼痛-self/-selves:表示“自己”backtoothstomachheadbackacheheadachestomachachetoothacheCanyoutellwhatthesuffix“ache”means?Lookatthechangesofthepicturesandsummarizetherules.PaincolourcareharmpaincolourlesscarelessharmlesspainlessCanyoutellwhatthesuffix“less”means?1.hope→hopelesswithouthope→

含义：___________2.end→endlesswithoutend→

含义：___________3.use→uselesswithoutuse→

含义：___________4.home→homelesswithouthome→

含义：___________Practice:Tellthemeaningofthefollowingwordafterbeingaddedthesuffix无望的；绝望的无止境的；没完没了的无用的无家可归的Lookatthechangesofthepicturesandsummarizetherule.suffix无色的无害的粗心的无痛的withoutmy____________

our_________your___________

your_________it_____________

them_________him___________her___________myself我自己ourselves我们自己themselves他们自己itself它自己yourselves你们自己yourself你自己himself他自己herself她自己Canyoutellwhatthesuffix“self/selves”means?Lookatthechangesbelow.Summarizethemeaningofthesuffix.apersonorathingontheirown.2aWhatdoeseachsuffixintheboxmean?Completethetablewiththecorrectsuffixes.back______head______stomach______tooth______colour______care______harm______pain_______

my______

our______your______

your______it______

them______him______her______colourlesscarelessharmlesspainlessbackacheheadachestomachachetoothachemyselfourselvesthemselvesitselfyourselvesyourselfhimselfherself-self/selves-less-ache_______________________________________________________________(without)(pain)（apersonorthingonthheirown)lessacheself/selvesLookatthesepeople.Theyareeachinpain.Doyouknowhowtousetheright“painword”todescribeeachperson’spain?Thelittleboyfelloffhischairandcriedoutin______.(pain/ache)painn&v：含义更广，可指各种类型、程度的疼痛，涵盖身体（生理）和心理上的痛苦，是通用词。例：asharppainintheleg（腿部刺痛）、thepainoflosingafriend（失去朋友的痛苦）。painfuladj令人疼痛的ache：特指持续性的、轻微的隐痛或酸痛，仅用于身体不适，无心理层面含义，常与身体部位搭配构成复合词。例：aheadache（头痛）、stomachache（胃痛）特点：通常指突然的、剧烈的疼痛。特点：强调身体隐隐作痛（持续性酸痛）Injuryn.含义：指具体的“受伤、损伤”，通常是外力造成的身体伤害，比如运动受伤、事故受伤。用法：名词，常与getaninjury/sufferaninjury搭配。例：Hegotaseriousinjuryinthefootballmatch.（比赛中严重受伤）。特点：强调“受伤的事实”，需要治疗或休息恢复。2.Becarefulwhenyoudosport.Ifyougeta(n)______,you'llhavetorestforsometime.(injury/pain)hurtvi身体受伤/疼痛；伤害感情（口语化）adj：受伤的；疼痛的harmv&n“伤害、损害”，可以是身体上的，也可以是精神、财产上的损害。用法：可作名词或动词，常用搭配doharmto/harmful（形容词）。例：Smokingdoesgreatharmtoyourhealth.（对健康有害）例：Thechemicalsareharmfultotheenvironment.（有害的）Sore（身体部位）酸痛的；发炎疼痛的（常指肌肉、喉咙等）；3.Don'tliedownfortoolongasitcouldmakeyourbackfeel______.(harmful/sore)2bCompletethesentenceswiththecorrectwordsinbrackets.Thelittleboyfelloffhischairandcriedoutin______.(pain/ache)Ifyoudon'twearamask,youmight______theflu.(have/catch)Becarefulwhenyoudosport.Ifyougeta(n)______,you'llhavetorestforsometime.(injury/pain)Tom'sear______,sothedoctorgavehimsomepillsforit.(painful/hurt)Don'tliedownfortoolongasitcouldmakeyourbackfeel______.(harmful/sore)catchtheflu是固定搭配，意为“患上流感”，强调“感染”这个动作。havetheflu则表示“正患有流感”，侧重状态。v.adjv.Kellylookedatherphone.Shewaslate,andherexamwasstartingin10minutes!Suddenly,somethinghitherhardand______hertotheground.“Areyouallright?”thedrivercriedout.Hisfacewas______withfear.ButKellydidn’tsayanything.Shewas______fromshockandherarmwasbleeding.“Don’tworry.Iknowfirst______!I’llcallforhelptoo!”thedriversaid.Atthehospital,thedoctorcheckedKelly’sarmcarefully.An______showedthatherrightarmwasbroken.“You’reluckythatyour______wasn’tworse,”saidthedoctor.“You’reright,”Kellysaid.“I’ll______lookingatmyphonewhilecrossingtheroadnexttime.”injury,suffer,X-ray,avoid,aid,throw,colour2cCompletethepassagewiththecorrectformsofthewordsinthebox.v.n.v.adj.threwcoloredsufferingaidX-rayinjuryavoidn.伤，损害v.遭受n.X光v.避免n&v救助

投掷，抛扔n.颜色v.使...变色n.一、将下列单词加上合适的后缀（-self/-selves、-less、-ache）构成新词。可使用词典辅助。1.use

_______useless2.ear

______________earache/earless3.meaning

____________meaningless4.heart_________________heartache/heartless5.one

_______oneself6.hope

_________hopeless7.it

______itself8.home

_________homeless9.your

_________________yourself/yourselves10.tooth

_________________toothache/toothless11.fear

________fearless二、用方框中所给单词或短语的适当形式填空,使短文意思完整、通顺。check

harm

be

about

to

safe

bad

in

pain

happy

throw

avoid

suffer

from

Last

Friday,Tom

was

playing

12.________

with

a

ball

with

us

after

class.

He

13._____________

kick

it

hard

when

he

suddenly

slipped（滑倒）

on

the

wet

floor.

Tom

lost

his

balance,fell

down,and

14.______

the

ball

far

away

in

surprise.

He

lay

on

the

ground,holding

his

leg

and

crying.

Clearly,he

was

15.________.happilywas

about

tothrewin

pain

We

rushed

over

and

gently

laid

him

on

a

nearby

bench.

Our

school

doctor

16.________

him

and

said

he

might

17.___________

a

broken

leg.

He

might

be

18.______

hurt

so

we

sent

him

to

the

hospital

at

once.

This

accident

made

us

think

a

lot.

First,we

should

19.______running

or

playing

on

wet

ground

to

stay

safe.

Because

20.______

should

always

come

first

in

any

activity.

We

must

pay

attention

in

safety

classes

at

school

and

remember

to

keep

ourselves

safe

from

21.______.

Luckily,Tom

recovered

soon,but

the

lesson

about

safety

and

health

will

stay

with

us

forever.#1.4checkedsuffer

frombadlyavoidsafetyharm从方框中选出下列句子中黑体单词的词义。

clearA.（adj.）清晰的；清楚的；易懂的

B.（v.）清理C.（adj.）晴朗的

D.（adj.）清澈的1.Look!

The

sky

is

clear

with

no

clouds.(

)2.The

water

in

the

lake

is

so

clear

that

we

can

see

the

fish

in

it.(

)CD3.We

should

have

clear

life

goals.

They

can

guide

us

to

a

bright

future.(

)A4.The

girl

often

clears

the

table

after

dinner.()B

smokeA.（v.）吸烟

B.（v.）冒烟

C.（n.）烟5.The

room

was

full

of

smoke

from

the

burning

stove.(

)6.To

tell

the

truth，I

only

smoke

in

the

evening.(

)7.I

carelessly

left

the

chicken

in

the

oven

too

long

and

it

started

to

smoke.(

)CAB

hitA.（v.）碰撞

B.（v.）击；打C.（n.）打；击；击中

D.（n.）流行的人或事8.Mike

ran

to

the

yard

and

hit

a

ball

with

a

long

stick.(

)9.The

book

The

Three-body

Problem

by

Liu

Cixin

became

a

hit

after

it

came

out.(

)10.I

hit

my

knee

on

the

corner

of

the

table.(

)11.Give

it

a

good

hit，and

the

nut（坚果）

will

crack（裂开）

easily.(

)BDAC

“What’s

the

matter?”相关句型及

患病相关表达知识链接：讲解详见背记本P12考点1&21.—Hi,Bob.

You

don’t

look

well.

What’s

the

matter

_____

you?—I

have

a

stomachache.with2.Betty

talked

too

much

yesterday，so

she

________________（嗓子疼）

now.has

a

sore

throat3.—I

__________________（流鼻涕）.I

think

I

____________（患流感）.—You

should

go

to

see

a

doctor

and

take

your

temperature.have

a

runny

nosehave

the

flu4.What

was

the

trouble

with

Emma

yesterday

morning？（改为同义句）What

_____

_______

_____

Emma

yesterday

morning?waswrongwith

avoid的用法知识链接：讲解详见背记本P12考点35.Flu

is

easy

to

break

out

in

October.

We

should

keep

the

windows

open

_________（avoid）

it.6.It’s

cold

outside,and

you’d

better

put

on

more

clothes

to

avoid________（catch）

a

cold.to

avoidcatching7.在日常生活中，我们应该避免吃太多油腻的食物。We

should

______

_______

too

much

fat

food

in

our

daily

life.avoideating

stop及stop

…

from

doing的用法知识链接：讲解详见背记本P13考点48.To

keep

our

seas

healthy，we

should

stop______（use）

too

many

plastics（塑料）.using9.We

must

try

our

best

to

stop

events

like

this

from

__________（happen）

again.happening10.如果房子着火了，我们必须做些什么来阻止它燃烧。If

a

house

is

on

fire，we

must

do

something

to

_____

___

______

________.stopitfromburning

cross，across与crossing辨析知识链接：讲解详见背记本P13考点5cross

across

crossing11.Walk

_______

the

square，and

you

will

find

the

bookstore

on

your

left.12.Always

look

left

and

right

before

you

step

onto

the________.13.Thanks

to

the

policeman,all

the

children________the

street

safely

just

now.acrosscrossingcrossed

turn相关短语的用法知识链接：讲解详见背记本P14考点614.烤箱在桌子上，请帮我把它打开。The

oven

is

on

the

table.

Please

help

me

_____

___

____.turniton15.我忘记离开前是否关灯了。I

forgot

if

I

_______

____

the

lights

before

leaving.turnedoff16.这个标志表明这里不允许掉头。The

sign

shows

that

it’s

not

allowed

to

_____

_______

here.turnaround1.Our

English

teacher

always

______

about

whether

we

take

our

work

seriously.

If

we

are

_______

enough，we

won’t

make

silly

mistakes.

I

usually

re