1. WHERE is the Great Wall?
a. in the South of America
b. in the North of Korea
c. in stretches across the Northern part of China
d. in the West of Singapore
2.What are the contaminated things?
a. air c. soil
b. water d. both a,b and c
3. What would you do to keep the public places clean?
a. littering
b. smoking everywhere
c. throwing away the used plastic bottles
d. cleaning up and put trash in bins
4. What can you do to save energy electronic?
a. planting trees
b. cleaning up the public places
c. turning off the lights, computer or others when you are not using
d. throwing away bag.
5 This person works outdoors and grows rice plants _______________.
a. A driver b. An engineer c. A baker d. A farmer
1.C
2.D
3.D
4.C
5.D
1 C
2 D
3 D
4 C
5 D