Unit 7

Reading
List some words connected the environment
Environment
Environment
Trees
forest
Wild-animals
soil
water
Air
Run off
Clean air
Polluted air
1. preservation (n)
Keeping safe from harm or danger
2. Natural resources
TàI nguyên thiên nhiên
3. irrigate (v)
Supply water
4. pollute (v)
Make dirty
5. Wild-life
Animals living in natural conditions
Complete the sentences
2. Preserving ________ resources is very important.
1._______ wild-life need the cooperation of the public.
Safeguarding
natural
3. You should not swim in this lake because the water is __________
contaminated
forest
soil
Wild life
mineral
Human lives











Fill in each numbered blank with one suitable word or phrase.

When you (1)__________ a tree, you are helping your environment in many ways. Your tree will provide a home and food for other creatures. Birds may build (2)________ in the branches. The flowers will provide honey for bee and the fruit or nuts may (3)_________ birds and other small animals. Your trees will hold the soil in place. This will help stop erosion. In addition, your tree will provide shade in summer. You can watch your tree (4)_________, and someday you (5)__________ your children, or even grandchildren the tree you planted.
A. chop b. plant c. water d. cut
A. bed b. house c. nets d. nests
A. to feed b. feeds c. feed d. fed
A. grow b. grow up c. grow down d. grow on
A. introduce b. explain c. show d. show up

plant
nests
feed
grow up
show
What is conservation?
In the past, what did most people believe?
How can people protect their land?