Choose A, B, C, D for each gap in the following sentences. (1,5 points)

11. Choose the word which has a different stress pattern from the other. 

A. biology B. zoology C. geography D. sociology

12. ...........is the contamination of bodies of water such as lakes, rivers, oceans, and groundwaten

A. air pollution B. thermal pollution C. water pollution D. soil pollution 

13. Emergency teams are still removing the........from the plane crash.

A. dirt B. debris C. dust D. dirty

14. This morning, before Hoa went to the bookshop, she .......her homework.

A. had finished B. finished C. finish D. finishes 

15. Using music, codes or signs to communicate is called....communication

A. verbal B. non-verbal C. public D. non-public

16. A severe tropical……is called a typhoon

A.drought B.rain C.flood D.storm