10
Listening to the world
5 Watch Part 4 and check the true statements.
☐√ 1
☐ 2 (He believes in a progressive system of taxation, which means he thinks that tax should be related to a person’s income.)
UNIT 4
Solving problems & seeking happiness 1
Unit 4 Solving problems &
seeking happiness
Learning objectives Opening up
Listening to the world Speaking for communication Further practice in listening
4
Opening up
1 Then discuss which category of issues is more harmful to society and why.
In my opinion, the environment issues can be more harmful to society. • Water and air pollution affects the health of humans,
animals and plants, resulting in cancer, death, birth defects, severe genetic change, etc. • Climate change or global warming can cause more drought and flood, permanently changing the land and water supply that humans depend on for life. • Our food supply would also be in danger because of environmental problems, causing various other social issues.