1、 数词 2Part I 自主学习 一、数词分为_ 和_。_ 表数量；_ 表顺序。分数的表达：分子用_，分母用_，分子大于1时，分母变_。3Check 一、数词分为_ 和_。_ 表数量；_ 表顺序。分数的表达：分子用_，分母用_，分子大于1时，分母变_。基数词 序数词 基数词 序数词 基数词 序数词 复数 4Part I 自主学习 二、写出下列数字的基数词和序数词 1_ _ 2 _ _ 3 _ _ 5 _ _ 8 _ _ 9 _ _ 12 _ _ 5Part I 自主学习 20 _ _ 21 _ _ 22 _ _ 23 _ _ 40 _ _ 100 _ _ 1，000_ _ 1，000，000_
2、 _ 6Part I 自主学习 三、把下列短语译成英语 1三个月_ 2第二个周末 _ 3成千上万颗星星_ 440个学生_ 512岁的生日_ 6在他三十多岁时_7Check 三、把下列短语译成英语 1三个月_ 2第二个周末 _ 3成千上万颗星星_ 440个学生_ 512岁的生日_ 6在他三十多岁时_three monthsthe second weekendthousands of starsforty studentsthe twelfth birthdayin his thirties8Part I 自主学习 7在21世纪20年代_ 8四分之三的书本_ 9三年级四班_ 10第7路公共汽车_
3、11第五课_ 12数百棵树_ 9Check 7在21世纪20年代_ 8四分之三的书本_ 9三年级四班_ 10第7路公共汽车_ 11第五课_ 12数百棵树_ in the 2020sthree quarters of booksClass 4，Grade 3Bus No.7the fifth lesson/Lesson Fivehundreds of trees 10教师点拨 常考基数词、序数词一览表数字基数词序数词序数词缩写1onefirst1st2twosecond2nd3threethird3rd4fourfourth4th5fivefifth5th6sixsixth6th7sevense
4、venth7th8eighteighth8th9nineninth9th10tententh10th11eleveneleventh11th12twelvetwelfth12th11教师点拨数字基数词序数词序数词缩写13thirteenthirteenth13th14fourteenfourteenth14th15fifteenfifteenth15th16sixteensixteenth16th17seventeenseventeenth17th18eighteeneighteenth18th19nineteennineteenth19th20twentytwentieth20th21twe
5、ntyonetwentyfirst21st22twentytwotwentysecond22nd30thirtythirtieth30th40fortyfortieth40th12教师点拨数字基数词序数词序数词缩写50fiftyfiftieth50th60sixtysixtieth60th70seventyseventieth70th80eightyeightieth80th90ninetyninetieth90th100one hundredone hundredth100th13基数词变序数词口诀 基变序，有规律，结尾要加th；1，2，3特殊记，结尾各为t，d，d；8少t，九去e，ve要用
6、f替；遇y变成i和e，结尾再加th；若是遇到几十几，只变个位就可以。14 基数词 一、基数词表示数量。如：one week，seven days，twentyfive students 二、基数词的读法：1从右向左看，每隔三位隔一逗号，倒数第一个逗号之前要用thousand，倒数第二个逗号之前要用million，倒数第三个逗号之前要用billion表示。如：7，258，366，200 可读为：seven billion，two hundred and fiftyeight million，three hundred and sixtysix thousand，two hundred15 基数词
7、 2百位与十位之间要加and。如：one hundred and twentyfive 十位与个位之间要加连字符。如：seventyfour，thirtyeight16 基数词 三、hundred，thousand，million，billion，dozen前面有具体数字时，后面不加s 和of；如果没有具体数字或者是不确定的数字(many，a few，several等)，后面必须加s和of，表示约数。如：five hundred(五百)，hundreds of(成百上千的)，ten thousand(一万)，thousands of(成千上万的)，millions of(上百万的)，many
8、thousands of(上万)，several dozens of(好几打)17 基数词 四、时间的读法：顺读法：点钟分钟 如：2：05 two o five3：50 three fifty 逆读法：1分钟30，用past：分钟past点钟(几点过几分)如：4：15 fifteen past foura quarter past four6：30 half past sixthirty past six18 基数词 2分钟30分钟，用to：分钟(60分钟数)to(点钟1)(几点差几分，过几分到几点)如：7：40 twenty to eight8：45 a quarter to ninefif
9、teen to nine 整点的表达：点钟(oclock)。如：9：00 nine(oclock)19 基数词 五、编号的表达：名词基数词the序数词名词(注意大小写)如：Lesson Onethe first lesson 第一课Page 4the fourth page 第四页Room 308308房间20 基数词 六、小数点用point；百分数用percent。如：1.4 one point four 3.25 three point two five60%sixty percent 大于1的小数看作复数，小于1的看作单数。如：0.8 meter，1.2 meters21 基数词 七、与
10、表示度量衡单位的词连用。如：ten meters deep6，300 kilometers long 100 meters wide1.8 meters tall10 years old 20 kilometers awayfar away等。注：不能说20 kilometers far(away)。22 ()1._ of volunteers will be needed for 2019 Horticulture Exportation in this city.Lets go and join them.AThousandsBThousand CThree thousandDThree
11、thousands()2.Every year，_ farmers go to big cities to work.AhundredBhundreds Chundred ofDhundreds of23Check()1._ of volunteers will be needed for 2019 Horticulture Exportation in this city.Lets go and join them.AThousandsBThousand CThree thousandDThree thousands()2.Every year，_ farmers go to big cit
12、ies to work.AhundredBhundreds Chundred ofDhundreds ofA D 24 ()3.The chairperson received about three _ applications(申请)to join the Bird Watching Club.Ahundred Bhundreds of Chundred ofDhundreds()4.Did you know the earth is home to _ animals?AmillionBmillions Cmillion of Dmillions of25Check()3.The cha
13、irperson received about three _ applications(申请)to join the Bird Watching Club.Ahundred Bhundreds of Chundred ofDhundreds()4.Did you know the earth is home to _ animals?AmillionBmillions Cmillion of Dmillions ofA D 26 ()5.The_ action film has attracted millions of young people to the cinema.A130minu
14、teB130minutes C130 minuteD130 minutes27Check()5.The_ action film has attracted millions of young people to the cinema.A130minuteB130minutes C130 minuteD130 minutesA 28 序数词 一、序数词表示顺序，前面一般有the或物主代词修饰，后面一般接单数名词。如：Monday is the second day of the week.Today is his seventeenth birthday.注：“a/an序数词”表示：又一，再一
15、(表示泛指)I have failed twice，but I want to try a third time.Many couples in China are allowed to have a second child these years.29 序数词 二、分数的表达：分子用基数词，分母用序数词，分子大于1时，分母变复数。如：1/3one third;3/4 three fourths/three quarters;2/5 two fifths 百分数：20%twenty percent 80%eighty percent30 序数词 注：分数修饰名词时，其谓语动词与名词保持一致。
16、Three quarters of the water here is clean.70%of the earths sufface is covered by water.One fifth of the apples have gone bad.31 序数词三、年、月、日、时的表示方法(1)年代890 eight hundred and ninety 1984 nineteen eighty-four2000 two thousand 2009 two thousand and nine 1990s(1990s)nineteen nineties 二十世纪九十年代32 序数词(2)日期 S
17、eptember 1,2009，读作：September the first,two thousand and nine(3)时刻数字写法数字写法读法读法8:00eight oclockeight8:10ten past eighteight ten8:15(a)quarter past eighteight fifteen8:30half past eighteight thirty8:40twenty to nineeight forty8:45(a)quarter to nineeight fortyfive33 ()1.David，how old is your father this
18、 year?_And we just had a special party for his _ birthday last weekend.AFortieth;forty BForty;forty CForty;fortiethDFortieth;fortieth34Check()1.David，how old is your father this year?_And we just had a special party for his _ birthday last weekend.AFortieth;forty BForty;forty CForty;fortiethDFortiet
19、h;fortiethC 35【考点精练2】()2.Its said that _ of the water around the world_ polluted.Atwo third;has Btwo thirds;have Ctwo third;are Dtwo thirds;is()3.Mothers Day is celebrated across the world on the_ Sunday in May.Thats right.People show their love for their mothers by giving some presents.AfirstBsecon
20、d CthirdDlast36Check()2.Its said that _ of the water around the world_ polluted.Atwo third;has Btwo thirds;have Ctwo third;are Dtwo thirds;is()3.Mothers Day is celebrated across the world on the_ Sunday in May.Thats right.People show their love for their mothers by giving some presents.AfirstBsecond
21、 CthirdDlastD B 37 ()4.Our school is going to hold the _ Culture Festival.I see.And we can take part in_ activities.Atenth;tenthBten;tenth Ctenth;tenDten;ten()5.It is said that _ of the students like to talk with friends online.Atwo thirdsBtwo three Ctwo third Dsecond three38Check()4.Our school is g
22、oing to hold the _ Culture Festival.I see.And we can take part in_ activities.Atenth;tenthBten;tenth Ctenth;tenDten;ten()5.It is said that _ of the students like to talk with friends online.Atwo thirdsBtwo three Ctwo third Dsecond threeC A 39 其他重点表达 半小时 half an hour/a half hour半天 half a day/a half d
23、ay 两天半 two and a half daystwo days and a half 一个半月 one and a half monthsone month and a half1.5 months 一至两天 one or two daysone day or two40 其他重点表达 在某人岁时 at the age of基数词 在20世纪90年代/在一九九几年 in the 1990s 在他30多岁时 in his thirties 在我40几岁时in my forties 再多两天 two more daysanother two days41 其他重点表达 还要三个男孩three
24、 more boysanother three boys 世界上第二大国家 the second largest country in the world 中国第三长河 the third longest river in China 数字修饰名词：a sevenday holiday，an 80yearold woman，a 100meterwide river，a twohour walk42 ()1.The doctors worked for _ after twelve oclock.Atwo more hours Btwo another hour Cmore two hours
25、Danother two hour43Check()1.The doctors worked for _ after twelve oclock.Atwo more hours Btwo another hour Cmore two hours Danother two hour A 44 ()2.Last year，three hundred English teachers took part in the _ English training.AtwomonthBtwomonths Ctwo monthsDtwo month45Check()2.Last year，three hundr
26、ed English teachers took part in the _ English training.AtwomonthBtwomonths Ctwo monthsDtwo monthA 46 ()3.Jack Ma worked as an English teacher in a university in his _ AtwentiesBtwenty CtwentiethDtwentieths()4.The _ biggest earthquake in Nepal has killed more than 8，000 people.Atwo BsecondCtwice Dse
27、conds47Check()3.Jack Ma worked as an English teacher in a university in his _ AtwentiesBtwenty CtwentiethDtwentieths()4.The _ biggest earthquake in Nepal has killed more than 8，000 people.Atwo BsecondCtwice DsecondsA B 48 ()5.About_ of the students in Grade Nine this year were born in the_ Athree fi
28、fths;1990 Bthree fifths;1990s Cthird fifths;1990 Dthird fifths;1990s49Check()5.About_ of the students in Grade Nine this year were born in the_ Athree fifths;1990 Bthree fifths;1990s Cthird fifths;1990 Dthird fifths;1990sB 50 ()6.The old man began to learn to drive a car at the age of _ AsixtyBthe sixtieth CsixtiethDsixties51Check()6.The old man began to learn to drive a car at the age of _ AsixtyBthe sixtieth CsixtiethDsixtiesA
