M1U1-U2concernbeconcernedabout(for):Pleasedon'tbeconcernedaboutme.beconcernedwith:…Thechangeoftheclimateisconcernedwithpollution.therightdecisionsthefutureareprobablythemostimportantthingswe`lleverdoinourlives.AMaking,concernedBTomake,concerningCTomake,concernedDMaking,concerningcalmdowncalm:平静的，沉着的。指无风浪或人的心情不激动。quiet:宁静的。指没有声音，不吵闹或心里没有烦恼、忧虑。still:静止的，不动的。没有运动或动作的状态。silent:寂静的，沉默的。指没有声音或不讲话。Whenfacingdanger,oneshouldkeepclam;Whentakenphotos,oneshouldkeepstill;Whensomeoneelseisasleep,oneshouldkeepquiet;inclass,oneshouldn’tkeepsilentabouttheteacher’squestions.Themostimportantthingtoinmindwhendealingwithanemergencyistostay.Amake,calmBkeep,calmCmake,calmlyDkeep,calmlyignorebeinignoranceofbeignorantofbeignorantthatignoreHeignoredallthe“NoSmoking”signsandlitupacigarette.,Shesawhimcomingbutsheignoredhim.ignorantadj.Heisignorantthatheisindangernow.pointWewonthegameby5points.Thereisnopointindoingsth:干某事没意义Thereisnopointinpersuadinghimtogiveupsmoking.at/onthepointof:就要…的时候Wewereonthepointofleavingwhenyoucome.tothepointWhathesaidistothepoint.offthepointpointn.一点；地点；地方；分数atallpoints在各方面的，充分的inpointof就……而言，关于v.指，指向pointtosb./sth.指向，面向（远处）pointatsb./sth.指着（近处）pointout指出surveysurveythecountrysidefromthetopofahillsurveytheinternationalsituationsurveyarailwaymakeasurveyofsurvey=lookinto=investigatesuffersufferpain/loss/punishmentsufferfromabadcold/headaches/hearttroublesuchheavylossinthefinancialcrises,thelossdidn'texpecttohaveagoodprofit.ASufferingBHavingsufferedCSufferingDTosufferseries单复数同形，表示一系列，连续means，species，deer，sheep，fishaseriesofpicturesaseriesofbookseg:Hesawaseriesofwhitearrowspaintedontheroad.他看见马路上画有一连串的白色箭头.Aseriesoflecturesisprepared.（aseriesof后跟复数名词，作主语时，谓语动词要用单数）eg.把你的分数加起来。addyourscoreup./Addupyoursc