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1、第二讲一、句子的运用根据新大纲的要求,四、六级作文的字数为120词至150词。按平均每个句子7～8个词计算，一篇作文约十几个句子。而不少考生往往就是这十几个句子出问题。有些作文虽内容较丰富，却因为句式表达失误，结果让人越读越糊涂。有的因为随意乱打标点符号，叫人看半天也不知句子应从哪儿开始，哪儿完结。还有的纯粹是“意识流”，想怎么。写就怎么写,你明不明白我不管。其实,阅卷人最怕的就是一串莫测高深的句子。一般来说,一篇作文只要不走题,句子基本通顺,即可得10分左右。反之，则只有6分或低于6分。这是我们不得不认真对待的。1．句子要有明确的主语和谓语以及其它必要的成分。2．
2、尽量用自己熟悉和能够把握的句型。3．句子的长、短要适当。不能因怕出错而都写短句，也不可追求“韵味”而过多用长句。4．句子成分不要总是主、谓、宾。要讲究一定变化。以增强可读性。要写好句子，应注意以下几个方面：IpassedalltheothercoursesthatItookatmyUniversity,butIcouldneverpassbotany.Thiswasbecauseallbotanystudentshadtospendseveralhoursaweekinalaboratorylookingthroughamicroscopeatplantcells,
3、andIcouldneverseethroughamicroscope.Ineveroncesawacellthroughamicroscope.Thisusedtoenragemyinstructor.Hewouldwanderaroundthelaboratorypleasedwiththeprogressallthestudentsweremakingindrawingtheinvolvedand,soIamtold,interestingstructureofflowercells,untilhecametome.例1Iwouldjustbestanding
4、there.“Ican’tseeanything,”Iwouldsay.Hewouldbeginpatientlyenough,explaininghowanybodycanseethroughamicroscope,buthewouldalwaysendupinafury,claimingthatIcouldtooseethroughamicroscopebutjustpretendthatIcouldn’t.“Ittakesawayfromthebeautyoffloweredanyway,”Iusedtotellhim.“Wearenotconcernedwi
5、thbeautyinthiscourse,”hewouldsay.“WeareconcernedsolelywithwhatImaycallthemechanicsofflowers.”“Well”I’dsay,“Ican’tseeanything.”“Tryitjustonceagain,”he’dsay,andIwouldputmyeyestothemicroscopeandseenothingatall,exceptnowandthenanebulousmilkysubstance---aphenomenonofmaladjustment.Youweresup
6、posedtoseesomevivid,restlessclockworkofsharplydefinedplantcells,“Iseewhatlookslikealotofmilk,”Iwouldtellhim.This,heclaimed,wastheresultofmynothavingadjustedthemicroscopeproperly,sohewouldreadjustitforme,orrather,forhimself.AndIwouldlookagainandseemilk.HomeComputersInrecentyearscomputer
7、shaveenteredmoreandmorefamiliesinChina.Manypeoplefindthatcomputerhavebroughtthemwithgreatconvenienceandenjoyment.Itistruethatahomewithagoodcomputermayfunctionlikealibrary,amini-school,apost-office,anofficeandaplaceforentertainment.例2Withtheassistanceofhomecomputers,peoplecanenjoyread
