I. Choose the word whose underlined part is pronounced differently from the others.
1. A. disease B. dead C. treatment D. sneeze
2. A. environment B. billboard C. visual D. litter
3. A. birth B. thermal C. earth D. further
4. A. poisoned B. died C. dumped D. caused
5. A. contaminant B. waste C. illustrate D. radiation
1. D. sneeze (the "ee" sound is pronounced differently from the "eez" sound in the other words)
2. B. billboard (the "b" sound is pronounced differently from the "v" sound in the other words)
3. B. thermal (the "th" sound is pronounced differently from the "er" sound in the other words)
4. D. caused (the "d" sound is pronounced differently from the "z" sound in the other words)
5. C. illustrate (the "ll" sound is pronounced differently from the "t" sound in the other words)