1）Sciencemovesforward,theysay,notsomuchthroughtheinsightsofgreatmenofgeniusasbecauseofmoreordinarythingslikeimprovedtechniquesandtools.(94翻译)
2）Someofthesecausesarecompletelyreasonableresultsofsocialneeds.Othersarereasonableconsequencesofparticularadvancesinsciencebeingtosomeextentself-accelerating.96（分词做定语，已讲过）
3）Sleepisdividedintoperiodsofso-calledREMsleep,characterizedbyrapideyemovementsanddreaming,andlongerperiodsofnon-REMsleep.
（95）
分词作状语
Thetestfinished,webeganourholiday.
=Whenthetestwasfinished,webeganourholiday.
考试结束了，我们开始放假。
Thepresidentassassinated,thewholecountrywasindeepsorrow.
=Afterthepresidentwasassassinated,thewholecountrywasindeepsorrow.总统被谋杀了，举国上下沉浸在悲哀之中。
真题解析
4）Inresponse,schoolsaremodifyingtheirprograms,adaptinginstructiontochildrenwhoareexceptional,tothosewhocannotprofitsubstantiallyfromregularprograms.94
练习
1、两个句子的主语一致时，其中一个往往可以改写成分词结构作状语。
1)Everyoneofushadbeenconvincedthattheprojectwasfeasiblebythetimeweleftthemeeting．
2)AsPetergothomefromthethree-month-longjourneytotheAntarctichelookedtiredout．
3)Theywenthuntingforhours，butwhentheyreturnedtheywereempty-handed
4)Whenheenteredtheofficehewasstillannoyedbythewayshespoketohim．
5)Teenagersarepressuredbyschoolwork．Theyarealsoencouragedbytheirpeers．Undersuchcircumstances，theyresorttosmoking．
6)Collegestudentsnowareprimarilyinterestedingradesandeconomicsuccess.Theycheatonexamsmorefrequently．
2、两个句子的主语相关但不一致时，其中一个句子往往可以改写成分词的独立结构作状语。
1)Hesatinfrontofthem．Andhisdustyfacemaskedhisage.
2)Sheheardacontinualstrangenoisecomingfromthenextroom．Herheartbeatfast．
3)Theoldbeggarsatatthecomer．Tearswelledupinhiseyes．