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