AFTER THE EARTHQUAKE STRUCK THE CITY, RESCUERS SEARCHED FOR_______...

15. After the earthquake struck the city, rescuers searched for_____________.

A. survivors

B. survivals

C. surviving

D. survived

Circle the best answer A, B, C or D

Consequences of water pollution

Water pollution is a matter of concern nowadays because of its negative effects on the

environment and human. The first problem is that water pollution kills (16) ________

organism. Dead fish, crabs, birds and sea gulls, dolphins, and many other animals have

been killed by (17) ____________ in their habitat. Moreover, pollution (18) _______ the

natural food chain as well. Pollutants such as lead and cadmium are eaten by tiny animals.

Later, these animals are consumed by fish and shellfish, and the food chain continues to

be disrupted at all high levels. Eventually, humans are (19) ___________ by this process

as well. People can get (20) ______ such as hepatitis by eating seafood that has been (21)

______________. In many poor nations, there is always outbreak of cholera and diseases

as a (22) ______ of poor drinking water treatment from contaminated water. (23)

________ people don’t prevent pollution, not only the environment but also their health

will be put at risk.