Unit 1 When is your birthday
一、序数词Ⅰ
写出相应的序数词及其缩写形式1
one ________ _______2
two ________ _______3
three ________ _______ 4
four ________ _______ 答案: 1
first 1st 2
second 2nd 3
third 3rd 4
fourth 4th5
five ________ _______6
eight ________ _______7
nine ________ _______8
twelve ________ _______ 9
twenty ________ _______10
thirty-one ________ _______答案: 5
fifth 5th 6
eighth 8th 7
ninth 9th 8
twelfth 12th 9
twentieth 20th 10
thirty-first 31stⅡ
用所给词的适当形式填空1
This is my _____(two) son
Today is his _____(thirteen) birthday
The _____(five) month of the year is May
—Is your birthday on January 1st
—No, it’s on the _____(six)
second 2
thirteenth 3
fifth 4
sixth【探究总结】序数词用来表示顺序,通常在基数词后面加上后缀 -th 构成
(1) 序数词 first, second, third 与其相应的基数词 one, two, three相差很大,需单