Which word is stressed differently from the others

II. Which word is stressed differently from the others? 
1A.dangerous B.humorous C.marvellous D.enormous
2 A. famous B. village C. workshop D. bamboo
3 A. business B. experience C. grandparent D. chocolate
4 A. generation B. communicate C. historical D. environment
5 A. intelligence B. facility C. development D. education
6 A. worried B. cognitive C. concentrate D. frustrated
7 A. disappoint B. medical C. confident D. badminton
8. A. anxiety B. assignment C. distraction D. counsellor
9. A. delay B. mental C. deadline D. balance
10.A. additional B. optimistic C. priority D. appropriate