1、xx-2019学年高三英语上学期第12周周练题 Assmartdevicescontinuetofillpeople’sdailylife,thedebateovertheirplaceintheclassroomhasgrownincreasingly.Now,astudyconductedattheUnitedStatesMilitaryAcademyjustmightputanendto it. Inarecentinvestigation,researchersfoundthatstudentswhowerepermi