III. Choose the best answer to fill in the blank or substitute the underined part: (4 points)

5. Deforestation is one of the biggest environmental threats to the ecological balance in the word.

A. sureties                   B. certainties                           C. dangers                               D. safety

6. Global warming results in clime change and extreme weather patterns.

            A. results from            B. causes                                 C. originates                            D. is due to

7. The factory was accused________ having caused higher level of pollution to the environment.

            A. about                      B. on                                       C. of                                        D. for

8. Nam: What are the main threats to the environment today?   Lan: ____________________

A. Threats are possible dangers to the environment.              B. Probably deforestation and global warming.

C. Environmental pollution is a big issue for our planet        D.  We need a clean environment to live in.

9. Nam: What are global warming gases?-  Lan:__________________

A.    Global warming gases are mainly man-made.      B. Global warming gases are everywhere.

C. The amount of carbon dioxide is increasing.         D. Carbon dioxide, nitrous oxide, and methane.

10. Find error:

Having cutting down many trees in the area , now the people here have to suffer really hot summers.

            A                                                         B                                             C                     D

11. It is not easy at all to get a job without any__________   qualifications.

            A. academic                B. social                      C. great                       D. favorite

12. He has got a degree __________ Information Technology from Oxford University.

            A. in                            B. for                           C. on                           D. of

13. Belinda missed a few months of school because of illness and found it difficult to keep ______ with her classmates.      A. on               B. off                          C. down                      D. up

14. Going to university is expensive because in addition to the tuition ______, there are expenses for accommodation, books, living costs, etc.

            A. grants                     B. fees                         C. fares                        D. scholarship

15. You look upset, _________you___________?

            A. Are- crying             B. Do- crying              C. Have- been crying  D. Have- cried

16. Mum ________ all morning. She ____________ lots of Christmas presents.

            A. has shopped/ has bought                            B. has been shopping/ has bought

            C. has been shopping/ has been buying          D. has shopped/ has been buying

17. “ If I were you, I would apply for the scholarship to the University of Melbourne”-“___________”

       A. I’m not afraid so                B. No way                        C. I guess I should                  D. I hope so

18. Marie prepared her homework carefully. She could answer all the questions and got good marks.

A. Although she prepared her homework carefully, Marie could not answer all the questions and got good marks.

B. Having prepared her homework carefully, Marie could answer all the questions and got good marks.

C. If she had prepared her homework carefully, Marie could have answered all the questions and got good marks.

D. It was because d her careful preparation for the homework, Marie couldn’t answer all the questions and got good marks.

19. The International Baccalaureate is also now offered by more schools in the UK as a (n)____to A-levels

                 A. choice                B. substitution             C. alternatitive            D. option

20. We need to cut down on the emission of carbon dioxide into the atmosphere.

            A. intake                     B. retake                                  C. uptake                     D. discharge