Find the once choice that best completes the passage below :
Nowadays, people are destroying rain forests of the earth seriously. It is (15)……………….. that every year 100,000 (16)……………….. kilometers of rain forests are destroyed for (17)……………….. of wood paper and fuel as well as for the residence and (18)……………….. land. Rain forests are very important for the world’s climate. They receive the rainfall on the earth and produce a large amount of the world’s oxygen. Destroying rain forests,(19)……………….. , is destroying our environment. Saving rain forests is a(n) (20)……………….. problem. Nations need cooperation to save rain forests, if not, it will be late.
5. A. exhausted B. pleasure C. interesting D. estimated
6. A. square B. cross C. round D. heart
7. A. bring B. supply C. support D. suggest
8. A. planting B. field C. farming D. rice
9. A. moreover B. however C. so D. therefore
10. A. national B. international C. world wide D. world