Insideyourschool•Makealistofsafeplacesanddangerousplacesatyourschoolifanearthquakehappens.•Notewheretheneareststairsanddoorstotheoutsideoftheschoolbuildingsare.Outsideyourschool•Makealistofplacesnearyourschool.Noteiftheyaresafeordangerous.•Notewherethestreetsgo,andwherestreetlightsandpowerlinesare.Gooutandmeetontheplayground.Donotusethelift.情态动词表示推测1.can可以表示对现在或将来的推测，意为“会，可能”。通常用于肯定句和疑问句。用于否定句时，can’t表示“不可能”；用于否定句时，can比could表示的“可能性”更大。例如：Whosentthepresent?Canitbeyourbrother?2.could也表示对现在或将来的推测，意为“会，可能”。could可以用于肯定句、否定句和疑问句，表示某事有可能发生或可能是事实。例如：Hecouldbeinpain.Thatcouldbeharmful.3.must也表示猜测，意为“一定，准是”。通常用于肯定句。例如：Betty,youmustknow!Itmustbeyourbrother.•情态动词must/can/could表示推测的用法•重点短语warnsb.aboutsth.jumpoutofkeepcalmstayawayfrombecarefulofrunaway1.Theteacherwarnsthestudents____thedangerinthehouse.A.inB.atC.toD.about2.Manystudentsstudyforamonthto____forthecomingtext.A.moveB.jumpC.prepareD.haveDDCC3.—Whatshouldwedo?—Weshould_______clearofthefireinanearthquake.A.keepB.tryC.thinkD.stop4.Canparentshelpkids______badgames?A.stayoffB.stayfromC.moveoffD.movefromBBAA近几年地震频频发生，导致无数人失去家园。请阐述一下如何对这一自然灾害进行防范。
