练习：
1.Which statement is true of the description in the first two paragraphs?
A.If Coyne had stopped the car in time,he wouldnt have hit the woman.
B.The woman would have been knocked over,if Coyne had followed the traffic regulations.
C.Coyne is not really driving so it is impossible for him to have hit the woman.
D.If the woman had not crossed the street suddenly,Coyne would not have hit her.
2.What do researchers want to find out,according to the third and fourth paragraphs?
A.Whether or not audible or written directions are distracting.
B.how long it will take the driver to respond to auditory and visual stimuli.
C.How the driver perform under certain metal workload.
D.All of the above.
3.What are the preliminary results given in the fifth paragraph?
A.Drivers are afraid of getting into challenging driving situations.
B.In challenging driving situations,drivers still have extra energy to handle other things.
C.In challenging driving situations,drivers do not have any additional mental energy to deal with something else.
D.Drivers mental load remains unchanged under different situations.
4.The sixth paragraph mainly state that the researchers.
A.is designing a visual navigational information system.
B.is designing an audio navigational information system.
C.is designing an audio-visual navigational information system.
D.want to determine the best ways of giving navigational information system.
5.What kind of directions do men and women prefer?
A.Women prefer more general directions and men prefer route directions.
B.Men prefer more general directions and women prefer route direction.
C.Both men and women prefer general directions.
D.Both men and women prefer route directions.