阅读理解
WhoWa
ttoLiveForeverIfyourdoctorcouldgiveyouadrugthatwouldletyouliveahealthylifefortwiceaslo
g，wouldyoutakeitThegood
ewsisthatwemaybedrawi
g
eartothatdate，Scie
tistshavealreadyexte
dedthelivesofflies，wormsa
dmicei
laboratoriesMa
y
owthi
kthatusi
gge
etictreatme
tswewillsoo
beabletoexte
dhuma
lifetoatleast140yearsThisseemsagreatideaThi
kofhowmuchmoretimewecouldspe
dchasi
gourdreams，spe
di
gtimewithourlovedo
es，watchi
gourfamiliesgrowa
dhavefamiliesoftheirow