Exercise 1:Find which word which has a different stress pattern from the others. 1. A. effective B. natural C. atmosphere D. plentiful 2. A. solution B. increasing C. recommend D. abundant 3. A. develop B. enormous C. improvement D. different 4. A. energy B. volunteer C. dangerous D. countryside 5. A. referee B. cigarette C. interfere D. convienient

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