内容正文:
第三讲:数词
1、 【考点解读】
数词在我们的日常生活中时时出现,因此它的学习既有趣味,又有点繁琐。在小学阶段,我们需要掌握好基数词和序数词的运用,日期和时刻的表达,约数和具体数字的区别,听懂别人的表达,并且能够在自己的表述中准确运用它们。
2、 【知识讲解】
知识点1——基数词和序数词
基数词
序数词[来源:Z+xx+k.Com]
基数词
序数词
基数词
序数词
基数词
序数词
one
first
eleven
eleventh
twenty-one
twenty-first
ten
tenth
two
second
twelve
twelfth
twenty-two
twenty-second
twenty
twentieth
three
third
thirteen
thirteenth
twenty-three
twenty-third
thirty
thirtieth
four
fourth
fourteen
fourteenth
twenty-four
twenty-fourth
forty
fortieth
five
fifth
fifteen
fifteenth
twenty-five
twenty-fifth
fifty
fiftieth
six
sixth
sixteen
sixteenth
twenty-six
twenty-sixth
sixty
sixtieth
seven
seventh
seventeen
seventeenth
twenty-seven
twenty-seventh
seventy
seventieth
eight
eighth
eighteen
eighteenth
twenty-eight
twenty-eighth
eighty
eightieth
nine
ninth
nineteen
nineteenth
twenty-nine
twenty-ninth
ninety
ninetieth
ten
tenth
twenty
twentieth
thirty
thirtieth
one hundred
one hundredth
[来源:学&科&网]
知识点2—— 时刻的表达
顺读法
小时+分钟
7:20 读作:seven twenty
逆读法
分钟≦30分钟
分钟+past+小时
7:15 读作:a quarter past seven
分钟>30分钟
(60-分钟)+to + (小时+1)
7:48 读作:twelve to eight
7:45 读作:a quarter to eight
知识点3—— 日期的表达
表达顺序
书写方式
读法
月/日,年份
May 1,2018
May the first, 2018
日/月,年份
1 May, 2018
the first (day) of May, 2018
知识点4—— 年龄的表达
at the age of… 在.. 岁时
…year(s) old … 岁
in one’s fifties 在某人五十多岁时
知识点5—— 约数与具体数目的表达
约数与具体数字
示例
数字+ hundred/thousand+ns
five hundred students
seven thousand students
a hundred=one hundred
约数+hundred/ thousand+ns
some thousand students
several hundred students
many thousand students
数字/约数词+hundred/thousand+ of the ns
five hundred of the students in our school
seven thousand of the students
several hundred of the students
(不加数字或约数词)
hundreds/ thousands of+ns
hundreds of students[来源:学.科.网]
thousands of students
知识点6—— a/an用法区别
用法
示例
a用于发音以辅音音素开头的单词前
a/an+(修饰词)+n(单数)
a singer, a school, a child, a knife,
a big orange, a red apple
an用于发音以元