阅读理解
Escapingafireisaseriousmatterknowingwhattododuringafirecansavealife.Itisimportanttoknowthewayyoucanuseandshowthemtoeveryoneinthefamilysuchasstairsandfireescapesbutnotlifts.Fromthelowerfloorsofabuildingescapethroughwindowsispossible.Learnthebestwayofleavingbywindowwiththeleastchanceofseriousinjury.
Thesecondfloorwindowisusuallynotveryhighfromtheground.Apersonofaverageheighthangingbythefingertipswillhaveadropofabout6feettotheground.Itisabouttheheightofanaverageman.Ofcourseitissafertojumpashortwaythantostayinaburningbuilding.
Windowsarealsoveryusefulwhenyouarewaitingforhelp.Besuretokeepthedoorclosedbeforeopeningthewindow.Otherwisesmokeandfiremaybedrawnintotheroom.Keepyourheadlowatthewindowtobesureyougetenoughfreshairratherthansmokethatmayhaveleakedintotheroom.
Onasecondorthirdfloorthebestwindowsforescapearethosewhichopenontoaroof.Fromtheroofapersoncandroptothegroundmoresafely.Droppingontothecementmightendininjury.Bushesandgrasscanhelptobreakafall.
1.Whichofthefollowingpeopleseldomusewhentryingtoescapeafire?
A.Windows.B.Doors.
C.Fireescapes. D.Lifts.
2.Howfarfromthegroundisthesecondfloorwindow?
A.About12feet.
B.About3feet.
C.Nearly10feet.
D.Aboutheightofanaverageman.
3.Accordingtothepassagewindowsare_________ofescapingafire.
A.theonlyway
B.thebestway
C.saferthananyotherways
D.oneofthemanypossibleways
4.Thewritertellsusthat_________.
A.breathinginsmokemightbeharmful
B.smokewillentertheroombyanopenwindow
C.freshaircan'treachthesecondfloor
D.tokeepyourheadlowwillhelpyouescapeafire
5.Ifyouareonthegroundfloorwhenafirebreaksoutyou'dbetterdrop_________.
A.directlyontotheground
B.firstontoaroofandthenontothecement
C.firstontoaroofandthenontobushesorgrass
D.ontothecementratherthanbushesorgrass