I. Choose the word that has main stress placed differently from the others:
l. A.Artistic B.historic C.dramatic D.natural
2. A. medical B. creative C. chemical D. tropical
3. An athletic B dramatic C. physical D.heroic
4. A. aquatic B. pollution C. groundwater D. athletic
5. A. botanical B. historical C. identical D. radioactive
6. A. immediate B. contaminate C. economical D. conditions
7. A. scientific B. technology C. intelligent D. historical
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