中考英语专题复习 数词课件

专题五数词

数词分为基数词和序数词，可作句子的主语、宾语、表语和定语。1.

基数词(1)构成基数词构成1～12one、two、three、four、five、six、seven、eight、nine、ten、

eleven、twelve13～19表示“十几”都以后缀teen结尾基数词构成20～90表示“几十”的整数均以后缀ty结尾21～99十位数和个位数之间须用连字符“-”连接101～999百位数和十位数之间用and连接例如：265→two

hundred

and

sixty-five基数词构成1

000以

上的数先从右往左数，每三位数加一个逗号“，”。第一个逗号读

作thousand，第二个逗号读作million，第三个逗号读作billion例如：17，123→seventeen

thousand

one

hundred

and

twenty-

three(2)基本用法【拓展】基数词的其他用法①基数词与名词、形容词可组成复合形容词，用作定语，其结构是“数

词-单数名词”或“数词-单数名词-形容词”，如an

eight-year-old

boy。②基数词与hundred、thousand、million、billion连用时，这些词要用单数

形式；若这些词和of搭配构成短语，表示不确定的数目，则要用复数形

式，如five

hundred、hundreds

of。③“数词＋more＋名词”或“another＋数词＋名词”表示“再；

又……”，如two

more

boys＝another

two

boys。2.

序数词(1)构成序数词构成1～3first、second、third4～19一般在基数词词尾加th构成。特殊：fifth、eighth、

ninth、twelfth20～90整十先将基数词词尾y变成ie，再加th，如

twenty→twentieth序数词构成两位数或多位数

(整数除外)其他位数不变，仅将个位数变成序数词，如twenty

one→twenty

first【记忆口诀】基变序，有规律，一二三特殊记，结尾字母t、d、d；其余词尾加th，其

中例外用心记；八去t，九去e，ve要用f替(eighth、ninth、fifth、twelfth)；若以y来结尾，就用ie把y去(twentieth)！不论几百几十几，个位变化

就可以。(2)用法①表示顺序，其前通常加the。如果序数词前有形容词性物主代词、名词

所有格、指示代词等限定词，则不加the。The

dining

room

is

on

the

second

floor

with

a

view

of

the

tower.餐厅在二层，从那里可以看到这座塔。②序数词与不定冠词连用，表示数量上“又一，再一”。Try

it

a

second

time.再试一次。3.

分数、百分数的表达(1)分子用基数词，分母用序数词。分子大于1时，分母加s。(2)当分母是2时，也可以用half来表示，如：1/2

a

half；当分母是4时，也

可以用quarter来表示，如：3/4

three

quarters。(3)百分数可以用“基数词＋percent”表示，常与of连用。percent无复数

形式。Genius

is

one

percent

of

inspiration

and

ninety-nine

percent

of

perspiration.天才是百分之一的灵感加百分之九十九的汗水。【注意】当分数或百分数作主语时，谓语动词的单复数要由分数或百分

数后面的名词的数而定。

一、选择填空(

C

)1.(2024莆田二检)－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南平二检)Qian

Xuesen

returned

to

China

in

his

and

devoted

all

his

life

to

his

motherland.A.fortyB.fortiesC.fortiethCB(

B

)3.(2023宁德一检)After

the

aircraft

carrier

(航空母舰)Liaoning

and

Shandong，

China

launched

its

one

on

June

17，

2024.A.secondB.thirdC.fourthB(

A

)4.(2023南平一检)－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泉州一检)－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福州二检)Although

Alex

had

already

failed

eight

times，

he

still

decided

to

have

a

try.A.nineB.ninthC.ninthsB二、短文填空(节选)1.(2024南平二检)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福州二检)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莆田二检)It

was

the

(two)

time

that

they

had

held

an

open

class

for

students

on

Earth.three/3fourthssecond【补充训练】选择填空(

B

)1.(2024福州台江二模)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