Unit 8 Who is the first？（课件）-2023-2024学年剑桥少儿英语二级下册

Unit 8 Who is the first? Grammar 基数词与序数词: 基数词: one, two, three, four, five…., (nine, twelve, twenty )表示数量多少 序数词: first, second, third, fourth, fifth…., (ninth, twelfth, twentieth)表示第几... 序数词的简写: first—1st second—2nd third—3rd fourth—4th fifth—5th twenty-first—21st fifty-second—52nd ※在使用序数词时, 要+the Who is the first? Sam is the first. 1）1－12, 独立成词。 one two three four five six seven eight nine ten eleven twelve 2）13--19, 由3－9 + teen构成。 14–fourteen 16--sixteen 17--seventeen 19—nineteen 特殊拼写: 13– thirteen 15--fifteen 18—eighteen 3）20－90, 以-ty结尾。 20—twenty 30---thirty 40—forty 50—fifty 60---sixty 70---seventy 80---eighty 90—ninety 4）21－99， 两位数，十位与个位之间有 “－”。 21 twenty—one 55 fifty—five 99 ninety—nine 5）101—999，三位数，百位与十位/个位之间加and。 101 one hundred and one 840 eight hundred and forty 693 six hundred and ninety-three 29 , 431 500 7 6 , , thousand hundred million billion and 6) 1,000以上数目，从右向左每三位用“,”分开，分别读为thousand, million, billion。 6500431729 six billion, five hundred million, four hundred and thirty-one thousand, seven hundred and twenty-nine four thousand, three hundred and twenty-one seven million, six hundred and fifty four thousand, three hundred and twenty-one 7,654,321 1,987,654,321 4,321 one billion, nine hundred and eighty-seven million, six hundred and fifty-four thousand, three hundred and twenty-one 1至12单独记， 13至19后­teen加起。 20至90整十位，­ty结尾是后缀。 几十几，连字符号“-­”莫忘记。 几百几， hundred后面and立。 必背口诀 序数词（ordinal numeral） 2. 重点句型： Which floor do you live on?你住几楼? I live on the fifth floor. How many floors are there in your building? 你所住的建筑物有几层楼? There are 8 floors. 3. same 与 different: same(相同的), 在使用时+the different(不同的) 例:Only two flowers are the same. One picture is different. 4. How often……？多长时间一次， （对频率进行提问） 回答方式:All the time 一直 Sometimes有时候 Rarely很少/Never从不/Once一次/Twice两次 Three/four times once=one time twice=two times How often does she go to the cinema? She goes to the cinema once a month. She goes to the cinema twice a month. Exercises: ______ minute ____ day second hour 2. same and different: These two cars are the _____. This leaf is ________ from the others. same different 3. Finish the blanks: one two five nine twelve twenty third first second fifth ninth twelfth twentieth three 单击此处编辑母版文本样式 第二级 第三级 第四级 第五级 1. ____ ____ ______ are there in your building? ______ ____ 18 floors. 2. _____ floor do you live ____? I live ____ _____ _____ ______. (第五层） 3. Where would you like _____ (live)? 4. Would you like ______ (go) with them? 5. I’d like _______(play) football with my friends. 6. Which floor do you like_____ (live)? Complete the sentences: How many floors There are Which on on the fifth floor to live to go to play living 基数词变为序数词的口诀： 1，2，3，5特殊记 8去t，9去e,再加th 12ve变f再加th 若是碰到几十，ty变成tie，再加th 若是碰到几十几只变个位就可以 eg: one----first nine----ninth two----second twelve---twelfth three-----third twenty---twentieth five----fifth 52---fifty-second eight---eighth $$