B. Synonym: 1. Sperm whale population are at risk due to hunting. A. in extinction​B. in danger C. on the decrease D. in fewness 2. Some marine animals are dangerous to humans. ​a. living in the mountain b. living in the ocean c. living in the forest​ d. living in the house 3. The new laws to conserve wildlife in the area will come into force next month a. protect​​b. pollute​​c. destroy​​d. eliminate 4. Water pollution is more and more serious due to the tests of nuclear weapons in the seas and oceans A. circulation​B. environment C. elimination D. contamination 5. The cattle drank from a river polluted with toxic chemicals. A. waste​​B. colorless​​C. odorless​​D. poisonous 6. Man and animals need a constant supply of water to live A. regular B. rare​C. short​D. inadequate 7. This park is the orphanage where lots of orphaned and abandoned animal are taken care of A. looked after​​B. involved in​​C. dealt with​​D. moved in 8. Try to eliminate fatty foods from your diet. ​a. limit​b. get rid of c. move​d. add 9. This channel allows rainwater to run off. ​a. keep inside​b. move around c. flow into d. flow out of 10. Water can be held on the land by vegetation. a. plants used as food b. grown trees c. the growth of plants d. plants and trees C. Antonym: 1. The floor was covered in tiny pieces of paper. a. unimportant b. many​c. very large​d. extremely small 2. If modern technology did not exist, we would never have such precious information. ​a. valueless b. expensive c. confidential​d. detailed 3. The cattle drank from a river polluted with toxic chemicals. A. waste B. colorless C. odorless​D. harmless 4. The earth is being threatened and the future looks bad. A. done ​ B. made ​ C. defended​ D. varied 5. Fruit and vegetables grew in abundance on the island. The islanders even exported the surplus. A. sufficiency​B. excess​C. large quantity​​D. small quantity 6. We’d better speed up if we want to get there in time. A. turn down ​B. slow down​C. put down​D. lie down 7. Rapid run-off would cause frequent floods and leave little water during fry seasons. ​A. Bad​B. Weak​C. Slow​D. Ugly 8. We cannot clean up our polluted rivers and seas overnight. ​A. loved​B. purified​C. honored​D. respected 9. Be a smart shopper, choose your seafood responsibly. ​A. soft​B. weak​C. untidy​D. stupid 10. The best time to visit is during the dry season, from October to April, when the hard forest rain is over. ​A. wet​B. engaging​C. obvious​D. cordial II. Phonetics A. Choose the word whose underlined part is pronounced differently for the others: 1. A. clear B. idea C. reason D. dear 2. A. square B. casual C. actually D. usual 3. A. here B. where C. there D. share 4. A. study B. dry​ C. variety D. rainy 5. a. pine​ b. psychology​ c. plane​ d. pick 6. A. debt B. able​ C. football D. trouble 7. A. dear B. clear C. year D. bear 8. A. words B. reviewers C. describes D. types 9. A. failed B. reached C. absorbed​ D. solved 10. A. invited B. attended C. celebrated​ D. displayed 11. A. removed B. washed​ C. hoped​ D. missed 12. A. parks B. trees C. caves​ D. contains 13. A. watches B. sites​ C. houses​ D. dishes 14. a. hands ​ b. parents ​ c. chores d. boys 15. a. brothers ​ b. weekends ​ c. problems ​ d. secrets 16. A. group B. tour C. actual D. poor 17. A. heavy B. weather C. ideal D. jealous 18. A. found B. south​ C. mountain​ D. wound 19. A. located B. formed​ C. threatened​ D. agreed 20. A. medicine B. protect​ C. species​ D. never