“…timesupo
(或over)…”例如:Thesizeofthesu
isamillio
timesoverthatoftheearth太阳的体积比地球的体积大一百万倍。Heisthreetimesupo
yourage他的年龄是你的4倍(或:比你的年龄大3倍)。
8“…by…times”例如:
2
fComparedwithlastyear,ourcoaloutputhasi
creasedbythreetimes与去年相比,我们的煤产量增长了3倍。Hisspeedisfastertha
mi
ebyfourtimes他的速度比我的快4倍。
9“…timescomparedwith+被比较对象”例如:The
umberofthestude
tsi
ourschoolhasi
creasedfourtimescomparedwith1980我们学校的学生人数比1980年增加了4倍。
10“…timesthatof被比较对象”例如:I
thisworkshoptheoutputofJulywasthreetimesthatofJa
uary这个车间七月份的产量是元月份的3倍。
二、用分数、百分数表示倍数。例如:用分数、百分数表示倍数。例如:Theboxiso
ethirdbiggertha
thato
e这个盒子比那个盒子大三分之一。Lastyeartheoutputvalueofi
dustrywas59perce
thighertha
thatof1976去年工业产值比1976年增长了59%。Mycomma
dofE
glishis
othalfsogoodasyours我英语掌握得还不及你的一半儿好。
一倍),两倍),三倍),四倍)等词表示倍数。三、用agai
(一倍),double(两倍),triple(三倍),fourfold(四倍)等词表示倍数例如:MyAu
tisasoldagai
asIam我姑姑的年龄比我大一倍。Thetopbra
dclothesareofte
soldasdoublethe
ormalpricehere这里名牌衣服的售价经常比正常的售价高一倍。The
ewworkproceduretripledtheoutput新工艺使产量增加两倍。Theoutputofgrai
i
creasedfourfold粮食产量增加了三倍。
3
f[巩固练习]巩固练习]1(2002上海春)America
seat________vegetablesperperso
todayastheydidi
1910Amoretha
twiceBastwiceasma
yCtwiceasma
yasDmoretha
twiceasma
y2(1998上海)Paperproducedeveryyearis_______theworldsproductio
ofvehiclesAthethreeweightofBthreetimestheweightofCasthreetimesheavyasDthreetimesasheavierasheavier应改为原级3(1994上海)WiththehelpoftheGerma
experts,thefactoryproduced______carsi
1993astheyearbeforeAastwicema
yCtwiceasma
yBasma
ytwiceDtwicema
yas
4(MET1992)Thisshipmeasures________thato
eAastwiceaslo
gBastwicelo
gasCtwicelo
gasDtwiceaslo
gas5(MET1990)Afterthe
ewtech
iquewasi
troduced,thefactoryproduced_______tractorsi
1988astheyearbeforeAastwicema
yBasma
yasCastwiceasma
yDtwiceasma
yKey:1-5DBCDD6ItisreportedthattheU
itedStatesuses________e
ergyasthewholeofEuropeAastwiceBtwicemuchCtwicemuchasDtr