内容正文:
第四讲 数词
教学目标
1. 掌握数词的含义及用法。
2. 学生可以正确区分基数词和序数词
3. 学生可以准确使用数词,掌握数词的其他表达方式。
4.学生在数词的学习过程中体验英语的生动趣味性,引导学生提高英语学习的趣味性。
课程类型
新授课
1h
课程时长
重点句子
1. Experience is the father of wisdom and memory the mother.
经验是知识支付,记忆是知识知母
2. That's always the case 习以为常
3. In fact we have to admit the fact that the quality of life is as important as life itself.
事实上,我们必须承认,生命的质量和生命本身一样重要
学科网(北京)股份有限公司
学科网(北京)股份有限公司
考点精讲
考点三 数词
考向一:基数词的构成
(1)0—12单独记。如: zero, one, two, three等。
(2)13—19的词尾都是teen。如:fourteen, seventeen等,但13—thirteen,15—fifteen,18—eighteen需要特殊记。
(3)20以上的整十的基数词均以ty结尾。
20—twenty,30—thirty,40—forty,50—fifty,80—eighty等。
(4)"几十几"要加连字符号"-"。
48—forty-eight, 97—ninety-seven等。
(5)"几百几十"或者"几百几十几"在"百"后加and。
156—one hundred and fifty-six, 509—five hundred and nine。
(6)四位数或者四位数以上的基数词的拼写规律:用逗号从右往左每三位加一个逗号,第一个逗号读作thousand(千),第二个逗号读作million(百万),第三个逗号读作billion(十亿),hundred后莫忘"and"。
3,610=three thousand six hundred and ten;
94,295=ninety-four thousand two hundred and ninety-five;
例题精析
1. —How many books are there on the shelf?
—Well. I think there are_______books.
A. two hundred and forty-six
B. two hundreds and forty
C. two hundred fourteen
考向二:序数词的构成
first 1st
second 2nd
third 3rd
fourth 4th
fifth 5th
sixth 6th
seventh 7th
eighth 8th
ninth 9th
tenth 10th
eleventh 11th
twelfth 12th
thirteenth 13th
fourteenth 14th
fifteenth 15th
sixteenth 16th
seventeenth 17th
eighteenth 18th
nineteenth 19th
twentieth 20th
twenty-first 21st
twenty-second 22nd
thirtieth 30th
fortieth 40th
fiftieth 50th
sixtieth 60th
seventieth 70th
eightieth 80th
ninet