Unit1What'sthematterReadingHelosthisarmbutisstillclimbing[48页]

Unit1SectionBPeriod2(2a—SelfCheck）haveproblemsbreathinggetsunburnedamountainclimbercutourselvesfalldowngethitbyaballNewWordsandphrasesbreathev.sunburnedadj.beusedtosth.\doingsth.riskn.＆v.takerisks(takearisk)呼吸晒伤的习惯于；适应于危险；风险；冒险冒险accidentn.situationn.kilon.rockn.runout(of)knifen.cutoffbloodn.（交通）事故；意外遭遇情况；状况千克；公斤岩石用尽；耗尽刀切除血中国英语教师网me...