求下面英语问题的答案.81~85
Eachyear,manyChinesepeoplegoabroadbecauseofallkindsofreasons.Theyarebecomingyoungerandyoungeryearbyyear.EvensomeChineseparentssendtheirchildrentoforeigncountrieswhentheyareonlyinamiddleschool.Theythinktheirchildrencangetawiderview,lessacademic(学业)competitionorfamilyhonor.Butlifecanbebadforyoungpeoplethere.Atfirst,theyhavetofacetheculturedifferencesandlanguageproblems.However,thesearenotalwaysthemostdifficultthingstoovercome(克服).Tobestchildren,controlling(管理)themselveswellisabigchallengewhenstudyingaloneinstrangecountry．YuYang,a15-year-oldstudentfromGuangdongProvincestudiesinahighschoolinToronto,Canada．Tohissurprise,histeachersthereseldompushstudentstostudyabroad．Andusuallythereisn’ttoomuchhomework．Studentshavelotsoffreetimetodotheactivities．Someofhisfriendsspendtheirwholeyear’smoneyinthefirsttwomonthsofthenewterm.Sotheyhavetoasktheirparentsforsomemoremoney.Ontheonehand,studyingabroadcanhelpstudentslearnforeignlanguagesquicklyandenuptheireyes,butontheotherhand,somechildrenmayfeellonely,becomebad,losethemselves,etc.Manyproblemsmayhappentothem．Thesearedifferentfromtheiroriginalthoughts．Soparentsshouldthinkthemoverbeforetheirchildrengoabroad.Answerthequestoinsaccordingtothepassage．81．WhydoChineseparentssendtheirchildrenabroad?82．Whatdothestudentshavetofaceinforeigncountriesatfirst?83．Controllingthemselveswellisabigchallenge,isn’tit?84．DostudentsinCanadahavemorefreetimethanthoseinChina?85．What’sthearticlemainlyabout?