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

A. LISTENING (2.5pts)
Part 1. Listen to a talk and choose the correct word to complete each sentence.
1. Polluted water is unsafe for drinking/cooking and for other uses.
2. Sometimes toxic substances flow into rivers from factories/hospitals.
3. Water pollution has a dangerous/harmful effect on our life.
4. We couldn't/shouldn't throw litter into rivers and lakes.
5. We can/ can't reduce water pollution by using green products and avoiding single-
use products like plastic bags.
Part 2 Listen to the passage and fill in each blank with no more than TWO
words.
1. The exhaust fumes from vehicles are the main cause of
2. Bad gases can be very
for children.
3. Transport is not the only reason why we have
4. Less pollution today comes from
than in the past.
5. Bad gases are being released into the air from
in our cities.