2022初中英语_初中英语nepcs_1.docx
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1、2022初中英语_初中英语nepcs 初中英语由我整理,希望给你工作、学习、生活带来便利,猜你可能喜爱“初中英语nepcs”。 初中英语数词 数词分为基数词和序数词两种。表示数目或数量多少的词叫基数词;表示数目依次的词叫序数词。 一.基数词 1.基数词就留意以下几点: (1)几十几的基数词的十位数与个位数之间要用连字符“-”连接。如: eighty-five 85 twenty-six 26 (2)三位数的基数词须在百位和十位(若无十位则和个位)之间用and连接。如:three hundred and sixty-five 365 two hundred and six 206 (3)基数词的
2、复数形式。当基数词等词前有详细数词或several修饰时,必需用单数。如: several hundred years ago几百年前 two thousand students两千个学生 2.基数词的特别用法: (1)表示“几十年头”或“几十岁” in the 1990s 20世纪90年头 in ones twenties在某人20多岁时 (2)用在习语中。如: in twos and threes 二.序数词 1.前边的基数词不变。如:2.21st第32nd第 3.thea或an时,则表示“又一;再一”(没有 那只小猴子已经吃了3 三.分数和百分数 1.分数 (1)分数的分子用基数词,分母
3、用序数词。如: one fifth五分之一 one tenth非常之一 (2)当分子大于1时,分母用序数词的复数。如: two thirds三分之二 five eighths八分之五 (3)当分子是1时,可以用one也可以用a。如: a second = one second a third = one third (4)当分母是2和4时,分别可以用half和quarter代替。如: a half二分之一 three quarters四分之三 2.百分数 百分数用percent表示。如: forty percent百分之四十 three percent百分之三 3.分数、百分数与主谓一样 分数
4、、百分数的考查往往和主谓一样相联系。当分数、 我们学校百分之八十的学生来自河南。 我们班四分之三的学生对英语感爱好。 地球上三分之二的水是海水。 四.倍数的表示法 1.表示“几倍大小(长短;数量)”,由“倍数()” 2.表示“比”+ than +被比较部分”结构组成。如: 3.表示是”+ as +被比较部分”结构组成。如: 练习答案 () 1.Lincoln was born on _. A.February 12, 1809B.1809, February 12C.1809, 12 FebruaryD.February 1809,12 () 2.A _ boy can sing the En
5、glish song very well. A.ten-year-oldB.ten years oldC.ten-year-oldD.fifth years old () 3.An hour later, _ minister was sent to see the “magic cloth” woven by those two men. A.twoB.the secondC.the twoD.second () 4.Abraham Lincoln was _ President of the United States. A.16B.the 16C.16thD.the 16th () 5.
6、Do you think there is any room for us _ ? A.twoB.the twoC.secondD.the second () 6.How many students are there in your cla? _. A.Twenty nineB.Thirty and two() 7.Which number is wrong? _. A.NinetyB.NinteenC.Ninth(A.on August 1, 1927() 9.The number 4,123 is read _. A.four thousand one hundred and B.tho
7、usand one hundred twenty-three C.four a and thousands a hundred and twenty-three (D.in the sixty (D.as big three times as (A.fifty twoD.the fifty-fourth car (B.He is at the age of 15. (A.nine hundreds ofB.nine hundredC.nine hundredsD.nine hundred of () 16.How many new words are there in _ leon? Ther
8、e are only _. A.five; fifthB.fifth; fiveC.the fifth; the fiveD.the fifth; five () 17._, Coca-Cola began to enter Chinas market. A.In 1970sB.In 1970sC.In the 1970sD.In the 1970s () 18.There was no bus in that small town.We had a _. A.ten miles walkB.ten-mile walkC.ten miles walkD.tenth mile walk () 1
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