1) Scientists have revealed that air pollution
may be responsible ______ reduction
a. for a significance
b. for a signify can't
c. for a sign if I can't
d. for a significant
2) air pollution was responsible for notable falls in
student ______
a. tests scores
b. test cores
c. test scores
d. tests cores
3) The impact of exposure to air pollution ______
performance
a. on cognitive
b. on cognitively
c. in cognitive
d. an cognitive
4) Researchers analyzed verbal and arithmetic tests taken by
20,000 people ______
a. of all ages
b. off all ages
c. of all age is
d. of awl ages
5) Polluted air may impede cognitive ability as people
______
a. became older
b. become older
c. becomes older
d. become moldier
6) The WHO says over 91 per cent of the world
population live in areas ______
a. with toxic air
b. with toxicity air
c. with tock sic air
d. with tock sick air
7) The researchers discovered that the longer people were
______ air
a. exposed two pollute it
b. exposed to polluted
c. exposed too polluted
d. exposed to pollute it
8) They equated the impact of air pollution to losing a
______ education
a. year's worth off
b. year is worth of
c. year is worthy of
d. year's worth of
9) this could be the equivalent of several years of ______
a. loss education
b. lose educational
c. lost educational
d. lost education
10) Governments really need to take concrete measures ______
pollution
a. to redact air
b. to re-deuce air
c. to re-juice air
d. to reduce air
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