A child watching television experiences a procession of sights and sounds that flash from
A. When allowed to choose a form. of entertainment, children will prefer reading to watching television.
B. A child"s imagination cannot be properly stimulated unless the child has access both to television and to books.
C. A child"s imagination can develop more fully when the child is able to control the pace of its entertainment.
D. Children should be taught to read as soon as they are able to understand what they see on television.
E. A child"s reaction to different forms of sensory stimuli cannot be predicted, since every child is different.
查看答案
The world s annual food production slightly exceeds the amount of food required to provide
A. The world"s food requirements are greater than they will be in the future.
B. A shortfall in the world"s food production can be prevented by a better distribution system.
C. The world"s food production will continue to be sufficient to meet or exceed needs.
D. The distribution of the world"s existing food supply will be improved in the future.
E. The world hunger crisis will not exist in the future.
The ice on the front windshield of the car had formed when moisture condensed during the night. The ice melted quickly after the car was warmed up the next morning because the defrosting vent, which blows only on the front windshield, was turned on full force. Which of the following, if true, most seriously jeopardizes the validity of the explanation for the speed with which the ice melted?
A. The side windows had no ice condensation on them.
B. Even though no attempt was made to defrost the back window, the ice there melted at the same rate as did the ice on the front windshield.
C. The speed at which ice on a window melts increases as the temperature of the air blown on the window increases.
D. The warm air from the defrosting vent for the front windshield cools rapidly as it dissipates throughout the rest of the car.
E. The defrosting vent operates efficiently even when the heater, which blows warm air toward the feet or faces of the driver and passengers, is on.
When permits for the discharge of chemicals into a waterway are issued, they are issued in
A. relatively harmless chemicals do not interact with each other in the water to form. harmful compounds.
B. there is a swift flow of water in the waterway that ensures rapid dispersion of chemicals discharged.
C. there are no chemicals for which discharge into waterways is entirely prohibited.
D. those who receive the permits do not always discharge the entire quantity of chemicals that the permits allow.
E. the danger of chemical pollution of waterways is to be e-valuated in terms of human health only and not in terms of the health of both human beings and wildlife.
Armtech, a temporary-employment agency, previously gave its employees 5 paid vacation days
A. Most current Armlech employees approve of the company"s new vacation policy.
B. A few Armtech employees leave the company before having worked 700 hours.
C. Most Armlech employees were not aware that the company planned to change its vacation policy until after it had already done so.
D. A significant portion of Armlech employees stay with the company long enough to work for 1 ,200 hours.
E. Armtech"s new vacation policy closely matches the vacation policies of competing temporary employment agencies.