[C] 1.6 million

　　[D] 3.2 million

　　2. Land can be polluted by ________ from agriculture.

　　[A] heavy metals

　　[B] pesticides and nitrate-poor fertilizers

　　[C] slurry from livestock

　　[D] rubbish

　　3. What kind of animal affected by man-made chemicals is not referred in the passage?

　　[A] Polar bears.

　　[B] Mammals.

　　[C] People.

　　[D] Birds.

　　4. What do local residents claim for?

　　[A] They are sick because of years of pollution.

　　[B] They are sick because of industries on their doorsteps.

　　[C] They are sick because of pesticides from agriculture.

　　[D] They are sick because of air pollution.

　　5. The pesticide DDT can be effective against ________.

　　[A] malaria

　　[B] wildlife

　　[C] animals

　　[D] human nervous system

　　6. There is a U.N. convention that can cover ________.

　　[A] problem between neighbors

　　[B] problem between states which do not share a border

　　[C] problems on air pollution

　　[D] trans-boundary air pollution

　　7. What is not said to be a way of cleaning up after ourselves?

　　[A] Throw less away.

　　[B] Design recycled products.

　　[C] Don't use it again.

　　[D] Last longer.

　　8. It found that increases in air pollution tended to ________________________.

　　9. According to Bobby Peek, targeting the companies would be difficult as it would be near-impossible to prove that illnesses suffered were caused by ________________________.

　　10. Martinus van Schalkwyk, the minister of environmental affairs and tourism, visited the south Durban basin earlier this year and said there were measures in place to ________________________.