高中VS大學(xué),英語作文及割補(bǔ)法和分割法

Topic:HighschoolandcollegeIntroduction:Thesisstatement:Ourhighschoolandcollegearenotallthesame,theyhavesomedifferences.Body:Point1:independent.Point2:liftourselvesup.Point3:theconditionofreading.Conclusion:Ourhighschoolandcollegearenotallthesame,theyhavesomedifferences,buttheybotharetheplacewherewehaveouryouthmemories.Ourhighschoolandourcollegebotharetheplacewherewecanacquirethenewkonwledgebothinlearningandliving.Butthetwoplacesarenotallthesame,theyhavesomedifferences.Afterenteringthecollege,youcanfeelthedifferencebetweenhighschoolandcollege.Whenyouenterthecollege,inthefirstplace,youmustlearntobeindependent,becausenoparentshereinalotofthingsandyoumusttolearnhowtodealwithitbyyourself.Besides,avarietyofcommunitytoenrichoursparetime,liftourselvesup.You'dbetterlearnmorethingtoenrichyourself,notjustinacademic.Lastbutnotleast,Ipersonallythinkthatthemostimportantthingis,Ilikethattherearealotofbookswhichcanletusreadaccordingtothepreferencesofourselvesinourcollegesandthatisourhighschoolscan'tavailabletous,alsothebooksyoureadinyourcollegemayhelpyoutobesuccessfulinthenearfuture.Inaword,althoughthetwoplaceshavesomanydiffererces,theybotharetheplacewherewehaveouryouthmemories.Andthemostimportantthingisthatnomatterweareinhighschoolorcollege,weneedtomakefulluseofeverytimesothatwewillneverfeelregretful.Mostofusmayhavefeltagreatchangeinlifeafterweenteredcollege.Therearesimilaritiesanddifferencesbetweenhighschoolandcolleges.Ontheonehand,therearesomedifferencesbetweenhighschoolandcollege.Firstly,First,inhighschool,weusuallylivewithparents,sowedidnothavetoworryaboutthings,suchasmakingdecisions,balancingourbudget.However,welivedfarawayfromhomeatcollege,sowehavetolearnindependenceanddothesethingsbyourselves.Secondly,inhighschoolourteachersshowedushowtosolveproblemsbydetailedexplanationsandcarefulteaching.Butatcollegetheteachersonlytellustheknowledgekeynotestoproblemsandleftusaplentyoftimetosolveproblemsbyourown.Onetheotherhand,therearealsosomesimilaritiesbetweenthem.First,themostimportanttaskinhighschoolandcollegelifeisbothstudying.Next,weallneedagoaltofightforbothinhighschoolandcollegeinordertopursueabetterlifeinthefuture.Inaword,nomatterweareinhighschoolorcollege,weneedtomakefulluseofeverytimesothatwewillneverfeelregretful.割補(bǔ)法和分割法什么叫做割補(bǔ)法和分割法？割補(bǔ)法和分割法都是計算平面幾何圖形面積的推導(dǎo)方法，也是一種思考方法。在面積和體積教學(xué)中，都有著廣泛的應(yīng)用。割補(bǔ)法是指：把一個圖形的某一部分割下來，填補(bǔ)在圖形的另一部分，在原來面積不變的情況下，使其轉(zhuǎn)化為已經(jīng)掌握的舊的圖形，以利于計算公式的推導(dǎo)。平行四邊形通過割補(bǔ)可轉(zhuǎn)化為長方形（或正方形），梯形通過割補(bǔ)可轉(zhuǎn)化為平行四邊形，圓通過割補(bǔ)可轉(zhuǎn)化為近似長方形等。（1）平行四邊形割補(bǔ)后轉(zhuǎn)化為長方形：（2）梯形割補(bǔ)后轉(zhuǎn)化為平行四邊形：分割法是指：對一些不規(guī)則圖形的面積，不能使用割補(bǔ)法，可以利用不規(guī)則圖形的凹凸特點(diǎn)，將其分割成若干個可以計算的規(guī)則圖形（如：長方形、三角形、梯形、……），先將各個規(guī)則圖形的面積計算出來，