分数词和数词特殊用法(讲义)【KeyPoints】1
分数表达:2
如果分数词后面跟不可数名词做主语,谓语动词常用(单数/复数);如果分数词后跟可数名词做主语,谓语动词常用
百分数表达:4
小数表达:5
确数表达:6
概数表达:7
复合形容词:(1)表示年龄:(2)表示长宽高深:8
年代表达:【Exercises】一、选择填空()1
Thenumberofthestudentsinourschoolisaboutnine
ofthemareboys
A.hundred;TwothirdsB.hundred;TwothirdC.hundreds;TwothirdsD.hundreds;Twothird()2
Theteachersaidthatoftheboyswouldtakepartinthetalentshow
A.threefiveB.threefivesC.thirdsfifthsD.threefifths()3
NowdaysofbusinesslettersarewritteninEnglish
A.twothirdB.twothirdsC.twothreeD.secondthree写一写:三分之二三分之一二分之一五分之三四分之三四分之一()4
Nearlyoftheearthcoveredbysea
A.threefourth;isB.threefourths;isC.threefourth;areD.threefourths;are()5
IthinkofthematerialsIlistenedtoatthebeginningoftheexameasy
A.threefourths,isB.thirdfour,areC.threefourths,areD.threefourth,are()6
Inourschoolthree(nine)ofthestu