I. Find the word which has different stress pattern from the others.(2pts) 1. A. protection B. pollute C. chemical D.botanic 2. A. attention B. effective C. children D. approach 3. A. physic B. recycle C. chairman D. country 4. A. cattle B. collect C. generous D. grassland 5. A. logical B.paddy C. historic D. history 6. A. stranger B. people C. replace D. factory 7. A. reputation B. difficult C. possible D. excellent 8. A. physical B. heroic C. about D. important