1. What exactly is the influence of air pollution .................. human beings ? A. to B. with C. on D. for 2. The campaign will hopefully ensure the survival ................ the tiger A. of B. for C. to D. on 3. It is impossible for local wildlife to coexist ................ industry A. to B. of C. in D. with 4. The government is thinking of bringing ................... a law to prohibit the killing of endangered animals A. on B. up C. in D. round 5. We should do something immediately to save many kinds of rare animals ...................... extinction A. away B. from C. in D. with 6. Laws have been introduced to prohibit the killing of endangered animals ( từ " prohibit " cùng nghĩ với từ nào ? ) A. advised B. decreased C. ban D. encouraged 7. Hunting for meat and burning forests for soils ...................... wildlife A. protect B. conserve C. destroy D. survive 8. Do you know exactly .................. number of Siberian tigers in China ? A. a B. an C. the D. 0 9. Garbage is considered to be some kind of .............................. A. pollute B. pollutants C. pollution D. polluting 10. In some countries environmental organizations have been ..................... to inform people and gain their support A. made up B. set up C. brought up D. taken up 11. If we do not take steps to protect the world's wildlife , many species of birds and animals are likely to ......................... completely A. die out B. die down C. die away D. die from 12. I personally think that it is easy to understand .................. time is relative A. the reason B. the reason for that C. for which reason D. the reason why 13. .................... concerns about wildlife never keeps a wild animal as pets A. Anyone that B. Anyone which C. Anyone for whom D. Anyone whose 14. Did you listen to the lecture on the environment by Dr.Pike , .......................... A. whom I have ever told you about B. about that I have ever told you C. I have ever told you D. that I have ever told you 15. ............................ want to use rain forests are cutting them down without any hesitation A. People who B. People which C. People whom D. Who 16. The man showed us the cage ..................... he kept a fierce lion A. which B. that C. in which D. in that 17. Those villagers .................... near the forest chop down hardwoods to sell for high prices A. live B. who live C. whom live D. for whom to live 18. By cutting down the trees , people destroy the ecosystem of the rain forest ........................ A. on which they depend B. where they depend on C. which they depend D. where they depend 19. ......................... comes from thousands of factories has caused enormous increases in air pollution levels A. Smoke B. Smoke for which C. Smoke that D. Smoke whose 20. " I have bought you a toy . Happy birthday to you !" - " ........................" A. What a lovely toy ! Thanks B. Have a nice day ! C. The same to you ! D. What a pity ! 21. " Your hairstyle is terrific , Cindy " - "..........................." A. Thanks , Peter B. You're welcome C. Not at all D. It's nice 22. ' Can I help you ? ' - '.......................' A. No , thanks . I'm just looking B. Yes , I'm watching C. No , I'm seeing D. Yes , I'm thinking 23. " I have just passed my English proficiency test " - " ......................... " A. Congratulations ! B. It's nice of you to say so ! C. That's a good idea D. Ok ! I'm enjoying in it ! 24. " Happy New Year ! " - " ............................ " A. Thank you , I am very happy to hear that B. Thank you , I am too C. Thank you , the same to you D. Thank you . I wish you a happy birthday