II.Choose the word which has a different stress pattern from the others. (0,5pt) 9. A. ecology B. environment C. autography D. residential 10. A. Maltese B. festive C. degree D. unique III. Choose A, B, C, D for each gap in the following sentences. (2pts) 11 Air___________, together with littering, is causing many problems in our cities today. A. pollute B. pollution C. polluting D. polluted 12. The road in front of my office is always __________ when it rains heavily. A. to flood B. flooding C. flood D. flooded 13. Singapore is famous for its __________ and green trees. A. cleanliness B. cleanly C. cleaning D. clean 14. In some English speaking countries, turkey and pudding are ___________ food at Christmas. A. national B. historical C. traditional D. possible 15. The USA has a population of 304 million, and it’s the third_________ country in the world. A. smallest B. largest C. narrowest D. highest 16. The roof of the building _____________ in a storm a few days ago. A. damaged B. was damaged C. has damaged D. has been damaged 17. A severe tropical___________ is called a typhoon. A. drought B. rain C. flood D. storm 18. As soon as the floodwater ___________ down, people ____________ their houses. A. went - cleaned B. had gone – cleaned C. went - had cleaned D. had gone – had cleaned C. READING: (3pts) I. Choose the correct answer for each gap to complete the following passage. (2,5pts) Rivers are ____(19) ____ of the world’s most important natural resources. Many cities are on large rivers, and____ (20)____ every country has at least one river that ___(21)___ an important part in the lives of its people. Besides transportation, rivers ___(22)___ food, water for crops, water to drink, and opportunities for recreation for people who live along their ____(23)____. And in order to get water for crops, engineers sometimes build a dam (đập, đê) across a river and let the water become a lake ____(24)____ the dam. Then people can use their water not only to ___(25)___ fields but also to make electricity for homes and industries. ____(26)___, the water often becomes polluted when cities on river banks grow in size and the number of industries increases. We are learning that it is necessary to keep rivers clean if we want to enjoy the benefits of the natural resources. 19A. one B. ones C. among D. those 20A. most B. mostly C. almost D. about 21A. takes B. makes C. occupies D. plays 22 A. supply B. provide C. distribute D. bring 23A. banks B. shores C. sides D. beaches 24A. behind B. on C. below D. under 25A. take B. irrigate C. drain D. give 26A. Moreover B. Therefore C. Thus D. However