更多"What percentage of the earth's wate"的相关试题:
[单项选择]What percentage of the earth's water can man actually use at present
A. Nearly 75 per cent.
B. About 97 per cent.
C. Exactly 3 per cent.
D. Less than 3 per cent.
[单项选择]What percentage of the total earth's water does underground water make up
A. 0.05%.
B. 0.5%.
C. 4.5%.
D. 5%.
[单项选择]With this order, what can the man get
A. A large free pizza.
B. A free drink.
C. A free soup with bread.
D. A three-dollar coupon.
[单项选择]How much of the earth's water can man really use
A. He can use nearly 75% of it.
B. He can use about 97% of it.
C. He can use less than 3% of it.
D. He can use exactly 3% of it.
[单项选择]What can be inferred about the man
A. He has been in the city for a long time.
B. He comes here to apply for a degree.
C. He is in a poor physical condition and easily catches a cold.
D. He is very wealthy.
[单项选择]What can we know about the man's cello
A. He always takes it with him.
B. It was made by his uncle.
C. He had a German make it.
D. He often gets a seat free for his cello.
[单项选择]What can we learn from the man's agency
A. Opportunities for promotion depend mainly on age or seniority.
B. The salary is average and modest.
C. Loyalty and hard work are required by the agency.
D. Overtime working is highly needed.
[单项选择]What can be inferred about drops of water larger than 1/125 inch in diameter
A. They never occur.
B. They are not affected by the force of gravity.
C. They would fall to earth.
D. In moving air they fall at a speed of thirty-two miles per hour.