Unit4Astronomythescienceofthestars课时作业Ⅰ
阅读理解(2019·全国卷Ⅱ)Bacteriaareanannoyingproblemforastronauts
Themicroorganisms(微生物)fromourbodiesgrowuncontrollablyonsurfacesoftheInternationalSpaceStation,soastronautsspendhourscleaningthemupeachweek
HowisNASAovercomingthisverytinybigproblem
It'sturningtoabunchofhighschoolkids
Butnotjustanykids
ItisdependingonNASAHUNCHhighschoolclassrooms,liketheonescienceteachersGeneGordonandDonnaHimmelbergleadatFairportHighSchoolinFairport,NewYork
HUNCHisdesignedtoconnecthighschoolclassroomswithNASAengineers
Forthepasttwoyears,Gordon'sstudentshavebeenstudyingwaystokillbacteriainzerogravity,andtheythinkthey'reclosetoasolution(解决方案)
“Wedon'tgivethestudentsanybreaks
TheyhavetodoitjustlikeNASAengineers,”saysFlorenceGold,aprojectmanager
“Therearenotests,