1.A. become B. language C. discover D. enjoy
2. A. destroy B. enjoy C. happen D. agree
3.A.collapse B. communicate C. disaster D. happen
4.A. pollution B. eruption C. invent D. science
5.A. depend B. advise C. benefit D. technology
6.A. earthquake B. typhoon C. visual D. homeless
7. A. erupt B. damage C. tornado D. explore
8.A. transform B. happen C. support D. erupt
9.A. tsunami B. picture C. victim D. mudslide
10.A. illustrate B. believe C. affect D. rescue
11. A. artistic B. historic C. dramatic D. scientific
12. A. medical B. national C. chemical D. historical
13.A. athletic B. dramatic C. scientific D. heroic
14.A. medical B. hospital C. politic D. electric
15.A. chemical B. physical C. environmental D. medical