Unit 1 Grammar 课件 2020-2021学年牛津译林版英语七年级下册

Unit 1 Grammar A.Cardinal numbers ★基数词的读法（one，two........） [1-20] 0ne two three four five six seven eight nine ten eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen twenty [21-99] 先说几十，再说几，中间加连字符“-” 20 twenty 30 thirty 40 forty 50 fifty 60 sixty 70 seventy 80 eighty 90 ninety 22 twenty-two 34 thirty-four…… Game time! 34 42 67 53 87 15 29 17 74 seventy thirteen [101-999] 先说几百再加上and,再加末两位或者一位 100 :one hundred 200: two hundred 300 :three hundred 101: one hundred and one 203: two hundred and three 888: eight hundred and eighty-eight 666: six hundred and sixty-six Game time! 213 870 305 567 701 123 816 987 456 987 721 [1000以上]： 首先从右往左数，每3位加一个“，” （1，235，998） 第一个“,”读为thousand（千），第二个“，”读为million（百万），第三个“，”读为billion（千万）……(百位上为0时，and不可以省略 ) 1，001 : one thousand and one 9,875 : nine thousand ，eight hundred and seventy-five 18,432 : eighteen thousand ，four hundred and thirty-two 6,2