Listen to a talk and choose the correct word to complete each sentence

A. LISTENING (2.5pts)
Part I. Listen to a talk and choose the correct word to complete each sentence.
er is unsafe for drinking/cooking and for other uses
nic substances flow into rivers from factories/hungbais
3. Water pollution has a dangerous/harmful effect on our life.
houldn't throw litter into rivers and lakes.
reduce water pollution by using green products and avoiding single
se pesacts like plastic bags.
Pe 2 Listen to the passage and fill in each blank with so more than TWO
E. The ex
fumes from vehicles are the main case of
2 Bal gases can be very
3. Trasport
for children
the only reason why we have
today comes from
than in the past
being released into the air from