I.                       Read the passage, and do the tasks that follow.

There are many causes that lead to water pollution. One man cause of this issue is waste water coming from many factories and then being directly pulled out into water bodies, especially into rivers or seas without any treatmentbecause this is the most convenient way of disposing waste water. Industrial waste consists of some kind of chemical substance such as sulphur, which is harmful for marine life. Lead is known as the main reason for cancer disease. Cancer has become a popular disease in several communes which are called "cancer villages". Another cause is the awareness of citizens, people always use water for many purposes and then they dump waste water or garbage directly into rivers, canal, and ponds and son on. In 2004, because of bird flu outbreak in Vietnam, people threw poultry to water body that made water highly polluted.

Task 2: Read the passages again, and then decide whether the statements are true (T) or false (F).

                                                                                                                                                       T          F

6.    Waste water from many factories which is dumped into water bodies directly causes       o         o

  water pollution.

      7.    Dumping waste directly into water is the most convenient way of disposing waste water. o         o

8.    Sulphur is believed the main reason for cancer.                                                                    o         o

9.    Cancer villages occurred in 2004.                                                                                           o         o

   10.    Due to lack of awareness, people poisone