Unit 2 Grammar语法 基数词和序数词-2023-2024学年八年级英语上册单元语法精讲精练（沪教牛津版）

6学科网 学种闪票创，让学司更容易！ JP.ZXXK.COM 学科网精品频道全力推荐 班级 姓名 学号 分数 Unit 2 Numbers 基数词和序数词 (时间：60分钟，满分：100分) 繁方法技巧 基数词的用法 (I)当hundred,,thousand,.million,billion等和of连用，表示粗略的数目时，须用复数。如hundreds of people 数以百计的人： 但如果hundred,.thousand,million,billion等词前有具体数词或several时，须用单数six hundred people60 0人 (2)表示“几十年代”或“几十岁”时，用逢十的基数词的复数。如： in the thirties在30年代 in his fifties在他50多岁时 (③)与基数词合成的复合形容词，其中的名词用单数。如： a three-monh-old baby三个月大的婴儿 a five-year plan一个五年计划 序数词 序数词一般以与之相应的基数词加词尾h构成，但要注意一些特殊形式。 (一)阿拉伯数字基数词序数词序数词缩略式 1 one first 1st 2 two second 2md 3 three third 3rd 5 five fifth 5th 8 eight eighth 8th 9nine ninth 9th 12 twelve twelfth 12th 20 twenty twentieth 20th 21 twenty-one twenty-first 21st 22 twenty-two twenty-second 22nd 23 twenty-three twenty-third 23 rd (二)特别提示 1、以y结尾的基数词构成序数词时，先把y变为ie,再加-th。 2、几十几及以上的序数词，其中十位数或百位数、千位数等用基数词，只有个位数才用序数词。如：128h: one hundred and twenty-eighth 752nd:seven hundred and fifty-second 3、hundred.thousand.million的序数词均在基数词后加-th构成，hundredth,thousandth.millionth @跟踪训练 一、单项选（本大题共50小题，每小题2分，共100分） 试卷第1页，共3页 6学科网 学种闪票创，让学司更容易！ JP.ZX) 力推荐 1. visitors came to take photos of Hongyadong during the holiday. A.Ten thousands B.Thousand of C.Thousands of D.Thousands 2.During World War,a Jewish lady was protected by a local family in Shanghai in her A.fifties B.fifty C.fiftieth D.fifteen 3.-Do you know how to read the number"1234"? A.One thousand two hundred and thirty-four B.One thousand two hundred thirty-four C.One thousand and two hundred thirty-four D.One thousand and two hundred and thirty-four 4.Basketball is popular around the world. people play it every day A.Million B.Two millions C.Million of D.Millions of 5.-Can you write the number eighty-four thousand,six hundred and twenty-six? -Yes,it is A.84,662 B,84.626 C.48,662 D.48.626 6.-I think it's best to use more pictures than text. -I agree.A picture can say words. A.a thousand B.thousand of C.thousands D.thousand 7.Every year people come to Hainan Island to enjoy the sunshine. A.millions of B.2 millions C.million of D.