Thereareseveralfactorsaffecti
gclimate推展句1O
efactoristhemou
tofsu
lightreceived推展句2Altitudeortheheightabovesealevelalsodetermi
esclimate推展句3Theocea
shavea
effecto
theclimateofadjace
tla
d推展句4I
additio
climateisi
flue
cedbythege
eralcirculatio
oftheatmosphere主题句指出影响气候的几个因素。然后用四个扩展句说明四种因素。第一种是太阳光的接收量第二种是海拔高度第三句和第四句分别是海洋和大气环流因素。22次要推展句次要推展句mi
orsupporti
gstateme
t是指对主要推展句作进一步的事实分析和举例说
f明。它从属于某一个或某几个推展句。例2主题句Ido
tteachbecauseteachi
giseasyforme主要推展句1Teachi
gisthemostdifficultofthevariouswaysIhaveattemptedtoear
mylivi
gmecha
iccarpe
terwriter主要推展句2Formeteachi
gisaredeyesweatypalmsi
ki
gstomachprofessio
次要推展句1RedeyebecauseI
everfeelreadytoteach
omatterhowlateIstayupprepari
g次要推展句2SweatypalmbecauseImalways
ervousbeforeIe
tertheclassroomsurethatIwillbefou
doutforthefoolthatIam次要推展句3Si
ki
gstomachbecauseIleavetheclassrooma
hourlaterco
vi
cedthatIwaseve
morebori
gtha
usual从属于主要推展句2的三个次要推展句起着解释说明作用分别解释redeyesweatypalmsi
ki
gstomach的含义这就更加形象生动地证明了