英语倍数的表达方法PPT课件

.,1,英语倍数的表达方法,.,2,一、用times表示倍数（一般限于包括基数在内三倍或三倍以上的数。表示两倍的数用twice）,.,3,1.“A+be+倍数+as+形容词或副词原级+as+BThistreeisthreetimesastallasthatone.这棵树是那棵树的三倍高。Hisfatheristwiceasoldashe.他父亲的年纪有他两倍大。,.,4,1.亚洲的面积是欧洲的四倍。AsiaisfourtimesaslargeasEurope.2.这块大石头的重量是那块的三倍。Thisbigstoneisthreetimesasheavyasthatone.3.那架飞机的飞行高度是那只风筝的十倍。Theplaneflewtentimesashighasthekite.,.,5,2.“A+be+倍数+形容词或副词的比较级+than+B”TheYangtzeRiverisalmosttwicelongerthanthePearlRiver.长江差不多比珠江长两倍。Thedictionaryisexactlyfivetimesmoreexpensivethanthatone.这本字典比那本恰好贵5倍。,.,6,这根绳的长度是那根绳的三倍。这个大厅比我们的教室大五倍。这辆小车的速度比那辆卡车快两倍。,ThisropeistwicelongerthanthatoneThisropeisthreetimesaslongasthatone.,ThishallisfivetimesbiggerthanourclassroomThishallissixtimesasbigasourclassroom,ThecarrunstwicefasterthanthattruckThecarrunsthreetimesasfastasthattruck,（比那根绳长二倍）,（是那辆卡车的三倍）,（是我们教室的六倍）,.,7,3.“A+be+倍数+the+计量名词+of+B”Thenewlybroadenedsquareisfourtimesthesizeofthepreviousone.新扩建的广场是未扩建时的四倍大。计量名词：size大,length长,width宽,height高,depth深，weight重,.,8,倍数+thesizeof,倍数+thelengthof,倍数+theheightof,倍数+theweightof,倍数+thewidthof,倍数+thedepthof,.,9,1.这条街是那条街的四倍长。Thisstreetisfourtimesthelengthofthatone.2.这座山的高度是那座小山的四倍。Thishillisfourtimestheheightofthatsmallone.,.,10,4.“The+计量名词+of+A+be+倍数+that+of+B”Thesizeofthenewlybroadenedsquareisfourtimesthatofthepreviousone.新扩建的广场为以前的四倍大。,.,11,5.“times+thatof+被比较对象”Inthis