(共18张PPT)
第17课时 数 词
[巧学妙记]基数词变序数词的口诀
基变序,有规律,一般词尾加上?th。一、二、三特殊记,词尾字母t,d,d。八去t,九去e,ve要用f替。ty将y变成i,th前面有个e。若是碰到几十几,前用基来后用序。
【解析】根据题意,一周有七天,days是名词复数,所以应用基数词,排除B。而基数词前不用the,序数词前应用the,因此可排除A和C。
【答案】D
【解析】本题考查日期的表示法。“5月2日”应为“May
2nd”或“the
2nd
of
May”。
【答案】A
考点闯关17
一、写出下列单词的序数词或基数词。
1.把下列基数词改为序数词。
(1)one—________
(2)five—________
(3)eight—________
(4)twelve—________
(5)thirty—________
(6)sixteen—________
(7)twenty?two—
________
(8)seventy?nine—
____
first
fifth
eighth
twelfth
thirtieth
sixteenth
twenty?second
seventy?ninth
2.把下列序数词改为基数词。
(9)third—________
(10)seventh—________
(11)sixth—________
(12)second—________
(13)fiftieth—________
(14)sixty?first—_______
three
seven
six
two
fifty
sixty?one
二、找出下列各组单词中不同类的一个,将序号填入题前括号内。
( )3.A.third
B.three
C.thirteen
D.thirty
( )4.A.one
B.first
C.two
D.seven
( )5.A.seven
B.eleven
C.eight
D.twentieth
( )6.A.first
B.second
C.eleven
D.seventh
( )7.A.fifth
B.five
C.fifty
D.fifteen
A
B
D
C
A
三、单项选择。
( )8.March
is
________
month
of
the
year.
A.a
three B.the
third C.a
third
( )9.The
class
begins
at
________
(8:05).
A.five
to
eight
B.eight
five
C.five
eight
( )10.Eight
plus(加)
eight
is
________.
A.sixteen
B.sixty?four
C.one
( )11.There
are
________
English
books
for
students
in
the
school
library.
A.four
hundreds
and
five
B.four
hundreds
five
C.four
hundred
and
five
( )12.The
bridge
is
________.
A.four
metres
long
B.four
metre
long
C.four?metres
long
B
B
A
C
A
( )13.He
lives
in
________.
A.310
room
B.room
310
C.Room
310
( )14.This
is
my
________
time(次)
to
play
the
piano.
A.at
second
B.two
C.second
( )15.The
________
day
of
the
week
is
Sunday.
A.first
B.one
C.third
( )16.There
are
________
days
in
a
year.
A.three
hundreds
sixty?five
B.three
hundred
and
sixty?five
C.three
hundred
and
sixty
five
( )17.Jack
is
in
________.
A.Three
Class,
One
Grade
B.Class
Three,
Grade
One
C.Grade
One,
Class
Three
C
C
A
B
B
四、根据实际情况用适当的数词填空。(填英文)
18.There
are
________
letters
in
English
alphabet(字母表).
19.There
are
________
days
in
a
week.
20.There
are
________
hours
in
a
day.
21.There
are
________
minutes
in
an
hour.
22.Thursday
is
the
________
day
of
the
week.
23.There
are
________
days
in
January.
twenty?six
seven
twenty?four
sixty
fifth
thirty?one
五、改错题:找出下列各句中的一处错误,将序号写在括号内,并在后句的横线上改正。
( )24.There
isA sixB
books
inC
the
bag.
________
( )25.TodayA
is
myB elevenC
birthday.
________
( )26.I'mA ninthB yearsC
old.
________
( )27.FebruaryA
is
the
twoB
month
of
the
yearC.
________
( )28.There
are
eighthA booksB
in
myC
schoolbag.
________
A
are
C
eleventh
B
nine
B
second
A
eight
六、阅读短文,选择正确答案。
Lucy
is
an
English
girl.
She
is
thirteen.
She
is
my
classmate.
She
is
a
good
girl
and
we
are
good
friends.
Mr
Wang
is
our
Chinese
teacher.
He
is
a
good
teacher.
Lucy
has
a
sister.
Her
name
is
Lily.
She
is
not
in
our
class.
She
is
in
Class
Two.
Her
Chinese
teacher
is
Mr
Li.
He
is
a
good
teacher,
too.
?
( )29.Lucy
and
Lily
are
________.
A.brothers
B.sisters
C.cousins
( )30.How
old
is
Lucy?
A.She
is
thirty.
B.She
is
the
thirteen.
C.She
is
thirteen.
( )31.Mr
Wang
is
a
________.
A.Chinese
teacher
B.Chinese
C.Lily's
teacher
( )32.Who
is
Lily's
Chinese
teacher?
A.Mr
Wan.
B.Mr
Li.
C.Mr
Wang.
( )33.Are
Lily
and
Lucy
in
the
same
class?
A.Yes,
they
are.
B.No,
she
isn't.
C.No,
they
aren't.
B
C
A
B
C