I.Choose the word wich differs from the other three in the position of primary stress
1.A.punish B.amount C.contain D.desire
2.A.diet B.affect C.energy D.moderate
3.A.different B.collection C.expensive D.refrigerator
4.A.absent B.disease C.measure D.symptom
5.A.relieve B.problem C.prevent D.fourteen
6.A.cucumber B.sensible C.disappear D.cavity