1—5ABACA6—10BACCB11—15ACCAA16—20CBABC 　　21—25ABBDC26—30BCABB31—35DDADC 　　36—40DCBCA41—45ABBCD46—50ACDBA51—55DCABD 　　56—60CCABB61—65CDDCA66—70BBCDC 　　71.unwilling72.motivation73.How/Ways74.despite75.trust 　　76.forced/made77.produce78.help/make79.focusing/concentrating 　　80.Instead 　　Onepossibleversion: 　　Nowadaysit’scommonforparentstobringmuchdeliciousfoodtotheirchildrenatschool. 　　Parents,teachersandstudentshavedifferentopinions.Manyparentsdon’tthinkschoolfoodcaterstotheirchildren’staste.Theythinkittheirresponsibilitytosatisfytheirchildren’sneeds.Asforteachers,theyunderstandwhatparentsdofortheirchildren,yetthesituationwillbringaboutsomeproblems,suchasfoodsafety. 　　Westudentsshouldbegratefultoourparentsfortheirselflesslove.Ofcourse,withparentspreparingdeliciousfoodandhelpingdoallthewashing,wecaneatproperlyandhavemoretimetostudy.However,ifwearealwaysundertheprotectionofourparents,wecan’tdevelopourown