专题12 数词-2019年中考英语语法单项选择题考点讲解与真题分析

表示数目多少或先后顺序的词叫数词。数词分为基数词和序数词两大类。基数词表示数目，序数词表示顺序。数词和名词构成合成词时，数词与名词之间要用连字符，且名词要用单数；表示确切数字时，hundred, thousand等后不能加-s，表示不确定的大数字时，则要加s，并与of连用。 考点一. 基数词 1. 基数词表示数目，下面是基本的基数词，其他数目均由这些基数词构成。 1 one 2 two 3 three 4 four 5 five 6 six 7 seven 8 eight 9 nine 10 ten 11 eleven 12 twelve 13 thirteen 14 fourteen 15 fifteen 16 sixteen 17 seventeen 18 eighteen 19 nineteen 20 twenty 30 thirty 40 forty 50 fifty 60 sixty 70 seventy 80 eighty 90 ninety 100 a hundred 1,000 a thousand 1,000,000 a million 除了以上所列的基数词外，其他基数词的构成如下： 1）21—99：由十位数加个位数1—9构成，中间须加连字符“-”。如： 21 twenty-one 38 thirty-eight 56 fifty-six 95 ninety-five 2) 101—999：由1—9加hundred构成百位数，如有十位数及个位数，中间用and连接。如： 101 one hundred and one 457 four hundred and fifty-seven 999 nine hundred and ninety-nine 3) 1000以上：从后向前分段，每三位加给逗号倒数第一个逗号前的数为thousand，第二个逗号前的数为million。如： 1,058 a thousand and fifty-eight 65,626 sixty-five thousand six hundred and twenty-six 150,345 one hundred and fifty thousand, three hundred and forty-five 7,381,000 seven million, three hundred and eighty-one thousand 1. Today is Jack’s birthday. He is ___________ years old now. (重庆) A. fourteenth B. fourteen C. the fourteenth D. the fourteen 【答案】B 【解析】句意：今天是杰克的生日。他今年14岁了。表年龄用基数词，而且前面不加冠词，故选B。 2. –Can you write the number sixty-five thousand, six hundred and twenty-six? —Yes, it’s ______. (攀枝花) A. 65, 662 B. 65, 626 C. 56, 662 D. 56, 626 【答案】B 3. —I hear that you stayed in Canada for _______ days last summer. （济南） —Yes. I stayed there for a week. A. three B. four C. seven D. eleven 【答案】C 【解析】根据回答"for a week"可知是七天，故选C。学科&网 4. There are twelve boys and thirteen girls in Class Four, which means _______ students in total.　 (白银) A .33 B. 25 C.13 　　 D.12　 【答案】B 【解析】句意：在四班里有12名男孩，13名女孩，即总数是25人。12+13=25。故选B。 5. My grandparents live in an old apartment with ______ floors and they are on the ______ flo