II.Chose the word whose main stress is placed differently from others
1.a.delicious b.grocery c.customer d.resident
2.a.information b.permanently c.entertainment d.overcrowding
3.a.notice b.surface c.effect d.contest
4.a.participation b.information c.organization d.coeducation
5.a.enroll b.agree c.upset d.mobile
6.a.equipment b.cruel c.generous d.orphanage