单项选择题

The authors implication is that______

A．small cars use energy efficiently
B．anti-pollution devices on automobiles are not effective
C．Americans have to import a great quantity of gas each year
D．Americans waste energy

<上一题目录下一题>

热门试题

单项选择题

Most people do not realize that______

A．the manufacture of the automobile requires much energy
B．gasoline is more expensive than home heating oil
C．automobile speed lowers energy efficiency
D．oil resources could someday run out

单项选择题

The author suggests that energy savings could be realized______

A．with more effective transportation of consumer goods
B．with better educational programs and planning techniques
C．with an efficient system of inner-city transportation
D．with forceful limitation of the use of the automobile