Share Our World 4. UNIT 6 Review
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1. It is a form of pollution. It often happens at oceans, lakes or rivers. It makes the water dirty. What is it?
C. overfishing
B. pollution
A. an oil spill
2. It is an area different from the areas around it. It has different characteristics or people use it for different purposes. What is it?
A. a zone
C. a layer
B. a creature
3. It is a very large sea creature. It breathes air through a hole at the tops of its head. What is it?
A. a whale
B. a shark
C. a creature
4. It is the process of making air, water or soil dirty. It is bad for human, animals and plants. What is it?
A. Pollution
B. Overfishing
C. Oil spill
5. It is a living thing which can move around. It can be big or small. What is it?
B. a shark
A. a creature
C. a whale
6. You have to put the _____ into the basket. Don’t leave them there.
A. garbage
B. resource
C. pollution
7. If overfishing continues, all the sea creatures in this area will _____.
disappear
spill
pollute
8. After waking up, he opened the window to let the morning _____in.
moonlight
midnight
sunlight
9. Don’t throw trash into the river. It will cause _____.
pollution
oil spill
overfishing
10. Most sea creatures live in the top _____ of the water, the sunlit zone.
zone
layer
time
11. Water is our most precious natural _________________.
oil
resource
plastic
12. Farmers use fertilizer for plants. When it rains, these fertilizers can go to the rivers and __________________.
hills
mountains
oceans
13. Sea animals may eat ______________ bags and bottles, and it is dangerous.
plastic
pollution
oil
14. . Petroleum companies ship their _______________ all over the world, but accidents happen sometimes. Every year, a lot of sea creatures die because of these problems.
bags
plastic
oil
15. What ___ we ___ before lunch?
A. must/ do
C. must/ to do
B. have to/ do
18. James and Liz ___ some food and drinks.
A. doesn’t buy
B. has to buy
C. have to buy
