WhenOaklandHighSchoolinCaliforniamovedintoanewbuilding,...
问题详情：WhenOaklandHighSchoolinCaliforniamovedintoanewbuilding,thestudentsandteachersnoticedastrongsmell.Thenalmosthalfofthestudentsbegantohaveaheadacheandacough.Experts(专家)cametofindthecauseofthesi...