A. PURSUIT B. LEISURE C. HOBBY D. PASTIMEREAD THE PASSAGE AND CHOO...

30. A. pursuit B. leisure C. hobby D. pastime

Solar energy, air and water are usually called renewable resources because there is an……31… supply

of them. However, the definition may change if people are not careful with their consuming of the resources.

The quality of solar energy that…………32………..the earth depends on the atmosphere. If the atmosphere

is………33………..… , the solar energy reaching the earth may be dangerous. The air must contain the

appropriate amount of N, O2, CO2 and other gases. If human to continue to pollute the air, it will not contain

the correct amount of these gases. Water is also a matter to take into……34……… Industry is making out

water filthy ( 5 ). Therefore, resources much be conserved, the air and water must be protected. Conservation

must play important part in life.

31 A. limited B. limitation C. unlimited D. All are incorrect