PeriodOneWarmingUp&ReadingⅠ
用适当的介、副词填空1.Youhavethreelayers________skinwhichact______abarrier________disease,poisonsandthesun’sharmfulrays
2.Firstaidisaveryimportantfirststep________thetreatment________burns
3.Youcangetburned________avariety________things:hotliquids,steam,fire,radiation,thesun,electricityandchemicals
4.Burnsarecalledfirst,second,orthirddegreeburns,depending________whichlayers________theskinareburned
5.Theseburnsarenotseriousandshouldfeelbetter________aday________two
6.Examplesincludemildsunburnandburnscaused________touchingahotpan,stoveoriron________amoment
7.Removeclothingusingscissorsifnecessaryunlessitisstuck________theburn
8.________seconddegreeburns,keepclothscool________puttingthemback________abasin________coldwater,squeezingthem________andplacingthem______theburnedar