IELTS W2

How many tenses are there in this passage ?

• 2

• 3

• 4

• 5

It is also apparent that (a)   pollutants were the biggest source of pollution.

How many percent of the pollutants came from the air in 1997 ?

• 30

• 40

• 20

• 50

Which word has the meaning "by a very small amount " ?

• offshore

• negligible

• marginally

• sewage

A similar pattern could be seen in the (a)   of wastewater from industries as it declined from 17% to 10%.

How many pollutants compared in this pie chart?

• 5

• 6

• 7

• 8

Which pollutant was the biggest source of pollution ?

• marine

• offshore oil

• sewage

• airbone

- "very little importance or size and not worth considering

Answer explanation

negligible

How many percentages of wastewater declined from 1997 to 2007 ?

• 7

• 17

• 10

• 18

which grammar structure was used in this sentence?

- The pie charts compare the percentages of seven pollutants which entered a particular part of the ocean in the two years 1997 and 2007.

Answer explanation

relative clause