Choose the letter A, B, C or D to complete the passage below

Water pollution happens __________ (6) toxic substances enter water bodies such as lakes, rivers, oceans and so on, getting dissolved in them, lying suspended in the water or depositing on the bed. This degrades the quality of water. Not __________ (7) does this spell disaster for aquatic ecosystems, the pollutants also seep through and reach the groundwater, which might end up in our households as contaminated water we use in our daily activities, including drinking.

Water pollution can be __________ (8) in a number of ways, one of the most polluting being city sewage and industrial waste discharge. Indirect sources __________ (9) water pollution include contaminants that enter the water supply from soils or groundwater systems and from the atmosphere via rain. Soils and groundwater contain __________ (10) residue of human agricultural practices and also improperly disposed of industrial wastes.

Pollutants can be of varying kinds: organic, inorganic, radioactive and so on. In fact, the list of possible water contaminants is just too vast to be listed here.

Question 7:

A. The polluted water causes in the death of many aquatic animals and plants.

B. The polluted water leads to the death of many aquatic animals and plants.

C. The polluted water causes to the death of many aquatic animals and plants.

D. The polluted water leads in the death of many aquatic animals and plants.

A. Famers use too many pesticides and herbicides, but the soil is poisoned.

B. Famers use too many pesticides and herbicides, for the soil is poisoned.

C. Famers use too many pesticides and herbicides, so the soil is poisoned.

D. Famers use too many pesticides and herbicides, or the soil is poisoned.

A. Visual pollution prevents us from seeing far away.

B. Visual pollution prevents us with seeing far away.

C. Visual pollution prevents us on seeing far away.

D. Visual pollution prevents us of seeing far away.

A. The music club is making so much noise that the residents require them to turn the music down.

B. The music club is make so much noise that the residents require them to turn the music down.

C. The music club be make so much noise that the residents require them to turn the music down.

D. The music club be making so much noise that the residents require them to turn the music down.

A. litter

B. poison

C. cause

D. measure

A. Applying lights in almost everything at night is very wasteful.

B. To apply lights in almost everything at night is not wasteful.

C. Almost everything is wasteful at night.

D. It’s interesting to apply lights in almost everything at night.

A. What pollution of types is the most harmful to human?

B. What types of pollution is the most harmful to human?

C. What the most types of pollution is harmful to human?

D. What is types of pollution harmful the most to human?