何晓燕数词复习课件1.ppt

Welcometoourclass!专题3数词数词教学目标：1.知识目标：理解数词的概念及用法。2.能力目标：掌握常见数词的表达法。3.情感目标：培养学生生活中时时处处用数词自然性、习惯性，培养学生学习英语的强烈兴趣，乐于参加各种活动的积极情感。教学重点：基数词、序数词、分数的表达法。教学难点：基数词转化为序数词,分数的构成,数词在生活中的应用,尤其是表示确切数字和不确切数字的用法。1.表示一个具体数字时，hundred,thousand,million不用复数eg.Ourcountryhasapopulationof1,300millionpeople.Therearethreethousandstudentsinourschool.2.基数词的复数形式表示大量的不确定的数目，如hundredsof+可数名词复数数以百计的thousandsof+可数名词复数数以千计的hundredsofbirds,thousandsofstars3.表示“……十”的数词的复数形式可用来表示人的岁数或年代，例如：Heisinhisearlythirties．Hediedstillinhisforties．Thistookplacein1930s．4.“another+基数词+名词复数”或“基数词+more+名词”表示在已有基础上再增加一定的数量。eg.Heateanother2cakes.5.“基数词+名词“构成的复合形容词作定语，其中的名词用复数。eg.atwo-weekholidayaneight-year-oldgirl6.序数词主要用作定语，前面要加定冠词，例如：Thefirsttruckiscarryingafootbaskets．Johnlivesonthefifteenthfloor．7.序数词有时前面可加不定冠词来表示“再一”，“又一”这样的意思，例如：We'llhavetodoitasecondtime．ShallIaskhimathirdtime？WhenIsatdown，afourthmanrosetospeak．8.表示分数时，分子用基数词表示，分母用序数词表示。分子大于1时，分母加-s。例如：threefourths,onesecond,twofifthseg:Twothirdsoftheteachersinourschoolarewomenteachers.Threequartersoftheworld’sbooksandnewspapersarewritteninEnglish.Exercise12.—David,howoldisyourfatherthisyear?—___.Andwejusthadaspecialpartyforhis__birthdaylastweekend.(贵州安徽)A.Fortieth;fortyB.Forty;fortyC.Forty;fortiethD.Fortieth;fortieth13.MyuncleboughtmeaniPhoneformy__birthday.(湖北黄石)A.twelveB.twelfthC.thetwelveD.thetwelfth14.Thereareover__studentsintheirschool.(四川泸州)A.hundredsB.ninehundredsC.hundredsofD.ninehundred15.—Howamazingthenoodleis!—Yes,itis__,andbreakstheGuinnessWorldRecordasthelongesthandmadenoodle.(江苏连云港)A.1704-meter-longB.1704-meters-longC.1704meterlongD.1704meterslong16.Morethan___ofchildrentookpartinactivitieslastmonth.(海南三亚)A.twothirdsB.thirdssecondC.secondthreeD.twothird17.–Ifa=4,b=5,what’stheanswertothequestion“a+2ab+1=?”--____.(四川达州)A.Forty-fifthB.Forty-fiveC.Twenty-threeD.Onehundredandtwenty-one18.—Whatwouldyoulike,sir?—___.(甘肃定西)A.TwopopB.TwobottlespopC.TwobottlesofpopD.TwobottleofpopNow,everybody,pleaseturntoPage___andlookatthe__picture.(山东滨州)A.Fifth,fiveB.Five,f