II. Find the word which has different stress pattern with the others.
1. A. calorie B. allergy C. depression D. diet
2. A. obesity B. sunburn C. spotless D. eggshell
3. A. concentrate B. essential C. stomachache D. expert
4. A. temperature B. headache C. dependent D. patient
5. A. sickness B. regularly C. vitamin D. toothache