I. Choose the word with the underlined part pronounced differently from the rest.1. A. species B. benefit C. essential D. generation2. A. rhinoceros B. diversity C. identify D. extinction3. A. vulnerable B. industry C. result D. current 4. A. extinction B. extension C. exploitation D. expression5. A. verge B. urban C. world D. survive II. Choose the word which is stressed differently from the rest.6. A. serious B. chemical C. awareness D. temperature7. A. ability B. agriculture C. development D. contaminate8. A. vulnerable B. disappearance C. conservation D. generation9. A. current B. global C. crisis D. mankindIII. Choose A, B, C, or D that best completes each unfinished sentence. 10. . …………………………. Is a branch of Natural Science, and is the study of living organisms and how they interact with their environment.A. Biology B. Biological C. Biologist D. Biologically11. A/ An …………… species is a population of an organism which is at risk of becoming extinct.A. dangerous B. endanger C....