中考英語(yǔ)專(zhuān)題復(fù)習(xí) 數(shù)詞課件

專(zhuān)題五數(shù)詞

數(shù)詞分為基數(shù)詞和序數(shù)詞，可作句子的主語(yǔ)、賓語(yǔ)、表語(yǔ)和定語(yǔ)。1.

基數(shù)詞(1)構(gòu)成基數(shù)詞構(gòu)成1～12one、two、three、four、five、six、seven、eight、nine、ten、

eleven、twelve13～19表示“十幾”都以后綴teen結(jié)尾基數(shù)詞構(gòu)成20～90表示“幾十”的整數(shù)均以后綴ty結(jié)尾21～99十位數(shù)和個(gè)位數(shù)之間須用連字符“-”連接101～999百位數(shù)和十位數(shù)之間用and連接例如：265→two

hundred

and

sixty-five基數(shù)詞構(gòu)成1

000以

上的數(shù)先從右往左數(shù)，每三位數(shù)加一個(gè)逗號(hào)“，”。第一個(gè)逗號(hào)讀

作thousand，第二個(gè)逗號(hào)讀作million，第三個(gè)逗號(hào)讀作billion例如：17，123→seventeen

thousand

one

hundred

and

twenty-

three(2)基本用法【拓展】基數(shù)詞的其他用法①基數(shù)詞與名詞、形容詞可組成復(fù)合形容詞，用作定語(yǔ)，其結(jié)構(gòu)是“數(shù)

詞-單數(shù)名詞”或“數(shù)詞-單數(shù)名詞-形容詞”，如an

eight-year-old

boy。②基數(shù)詞與hundred、thousand、million、billion連用時(shí)，這些詞要用單數(shù)

形式；若這些詞和of搭配構(gòu)成短語(yǔ)，表示不確定的數(shù)目，則要用復(fù)數(shù)形

式，如five

hundred、hundreds

of。③“數(shù)詞＋more＋名詞”或“another＋數(shù)詞＋名詞”表示“再；

又……”，如two

more

boys＝another

two

boys。2.

序數(shù)詞(1)構(gòu)成序數(shù)詞構(gòu)成1～3first、second、third4～19一般在基數(shù)詞詞尾加th構(gòu)成。特殊：fifth、eighth、

ninth、twelfth20～90整十先將基數(shù)詞詞尾y變成ie，再加th，如

twenty→twentieth序數(shù)詞構(gòu)成兩位數(shù)或多位數(shù)

(整數(shù)除外)其他位數(shù)不變，僅將個(gè)位數(shù)變成序數(shù)詞，如twenty

one→twenty

first【記憶口訣】基變序，有規(guī)律，一二三特殊記，結(jié)尾字母t、d、d；其余詞尾加th，其

中例外用心記；八去t，九去e，ve要用f替(eighth、ninth、fifth、twelfth)；若以y來(lái)結(jié)尾，就用ie把y去(twentieth)！不論幾百幾十幾，個(gè)位變化

就可以。(2)用法①表示順序，其前通常加the。如果序數(shù)詞前有形容詞性物主代詞、名詞

所有格、指示代詞等限定詞，則不加the。The

dining

room

is

on

the

second

floor

with

a

view

of

the

tower.餐廳在二層，從那里可以看到這座塔。②序數(shù)詞與不定冠詞連用，表示數(shù)量上“又一，再一”。Try

it

a

second

time.再試一次。3.

分?jǐn)?shù)、百分?jǐn)?shù)的表達(dá)(1)分子用基數(shù)詞，分母用序數(shù)詞。分子大于1時(shí)，分母加s。(2)當(dāng)分母是2時(shí)，也可以用half來(lái)表示，如：1/2

a

half；當(dāng)分母是4時(shí)，也

可以用quarter來(lái)表示，如：3/4

three

quarters。(3)百分?jǐn)?shù)可以用“基數(shù)詞＋percent”表示，常與of連用。percent無(wú)復(fù)數(shù)

形式。Genius

is

one

percent

of

inspiration

and

ninety-nine

percent

of

perspiration.天才是百分之一的靈感加百分之九十九的汗水?！咀⒁狻慨?dāng)分?jǐn)?shù)或百分?jǐn)?shù)作主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞的單復(fù)數(shù)要由分?jǐn)?shù)或百分

數(shù)后面的名詞的數(shù)而定。

一、選擇填空(

C

)1.(2024莆田二檢)－Have

you

been

to

Harbin

Ice-Snow

World？

－Yes，

I

have

been

there

.

It

is

well

worth

visiting.A.twoB.secondC.twice(

B

)2.(2023南平二檢)Qian

Xuesen

returned

to

China

in

his

and

devoted

all

his

life

to

his

motherland.A.fortyB.fortiesC.fortiethCB(

B

)3.(2023寧德一檢)After

the

aircraft

carrier

(航空母艦)Liaoning

and

Shandong，

China

launched

its

one

on

June

17，

2024.A.secondB.thirdC.fourthB(

A

)4.(2023南平一檢)－Fifty

students

are

in

my

class，

but

you

only

offer

forty

music

books

to

us.

－Sorry，

of

them

couldn’t

get

the

books.

The

new

ones

will

arrive

next

Monday.A.one

fifthB.two

fifthsC.three

fifthsA(

B

)5.(2024泉州一檢)－Professor

Li，

I’m

afraid

we

can’t

finish

the

program

on

time.－OK.

I’ll

give

you

days.A.more

fiveB.another

fiveC.five

anotherB(

B

)6.(2023福州二檢)Although

Alex

had

already

failed

eight

times，

he

still

decided

to

have

a

try.A.nineB.ninthC.ninthsB二、短文填空(節(jié)選)1.(2024南平二檢)Women’s

Tangzhuang

has

styles：

traditional，

national

and

fashionable.Traditional

style

has

Chinese

designs

with

flowers.

National

style

uses

designs

that

are

like

poems

or

good

luck

signs.2.(2024福州二檢)The

world’s

oceans

cover

nearly

three

(four)

of

the

Earth’s

surface.

They

are

a

great

source

of

food

for

people

around

the

world.3.(2024莆田二檢)It

was

the

(two)

time

that

they

had

held

an

open

class

for

students

on

Earth.three/3fourthssecond【補(bǔ)充訓(xùn)練】選擇填空(

B

)1.(2024福州臺(tái)江二模)Tom

became

a

soldier

in

.

He

was

in

at

that

time.A.1990s；

twentiesB.the

1990s；

his

twentiesC.the

1990s；

the

twentiesB(

B

)2.(2024三明大田二模)－Look！

It

is

.－Yes.

Let’s

have

lunch.A.five

to

twelveB.five

past

twelveC.twelve

past

fiveB(

C

)3.I

have

a

daughter.

She

is

a

middle

school

student.A.thirteen-years-oldB.three-years-oldC.twelve-year-old(

A

)4.

－There

are

so

many

people

on

the

playground

watching

the

flag

rise.－Two

them

are

from

the

villages

and

towns.A