Page 152 - TOEFL_Basic-1

Answer Key

Step 3 Page 97
Sample response 1 D
I think television has a positive influence on children. The lecture is about acid rain.
One reason I think this is because much of the content A. Acid rain forms when we burn
on television is educational. Television can teach 1. coal
children about the world. Children who watch a lot of 2. oil
television know more about other countries. Watching 3. wood
a lot of TV can help kids understand other cultures. B. We burn these things to
TV is great for kids because it exposes them to so 1. make electricity for homes and factories
many different ideas. 2. make cars go
3. make airplanes fly
Sample response 2 C. This releases
I think television has a negative influence on children. 1. sulfur
One reason I think this is because there are too many 2. nitrogen gases
cartoons on TV. Television can waste a lot of time. D. The gases float up into clouds and mix with water
Children who watch a lot of television spend too much drops.
time indoors. Watching a lot of TV can lead to problems Conclusion: Acid rain kills plants and animals and is
in school. TV is bad for kids because it wastes time dangerous and a big problem.
when they could be learning.
F
Integrated 1. damage 2. forms 3. released
4. contains 5. structure
Page 95
B Page 98
1. The lecture is about acid rain. Step 1
2. Acid rain is formed when coal, oil, or wood are • Acid rain does a lot of harm.
burned. • It damages buildings made of sandstone and
3. I think the professor will talk about ways to reduce limestone.
acid rain.
• It makes holes in them and damages their
structure.
Page 96 • Acid rain hurts plants and animals that live in
A water.
• Acid rain contains sulfur and nitrogen. • Acid burns them and kills the insects they
• It forms when coal, oil, or wood are burned. feed on.
• We burn coal to make electricity. • It kills fish and fish eggs.
• We use electricity in homes and factories. • Birds can get sick.
• We burn oil to make cars go and to make • Acid rain damages leaves and runs into the soil.
airplanes fly. • Then plants can’t grow because the soil is too
acid.
• This releases sulfur and nitrogen gases that float
into the sky.
Step 3
• The gases mix with water drops in clouds.
• It is bad for plants and animals. The lecture is about how acid rain does a lot of harm.
• It makes acid rain that is dangerous. A. Damage to buildings made of sandstone and
• It is a big problem. limestone
1. by making holes in them
B 2. by damaging their structure
1. The professor gives the example of burning coal B. Burns or kills water plants and animals
to make electricity. 1. Kills insects they feed on
2. The professor explains that gases float up into the 2. Kills fish and fish eggs
sky, into the clouds, and mix with water drops to 3. Makes birds sick
form acid rain. C. Damages forests
1. Damages leaves
2. Makes soil too acidic for plants to grow
Conclusion: Acid rain must be stopped.

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