Seniormembersofthestaffcompetedeagerly________thepositionofsalesmanagerinthecompany.
第二类间断点个数()
________fromtheoccasionallatenightparty,ourneighborsareveryquiet.
Ifound________toanswerallthequestionswithinthetimegiven.
EachyearintheUnitedStates,manyblackteenagers_______ofschool,eitherbecausetheycannotkeepuportheyhavetoworktosupporttheirfamily.
所确定的隐函数，则 
.=