单项选择题

Women are quite often competent drivers, but they are very seldom consistently first class. At best they are a mild hazard, at (62) potentially lethal.
A wise male driver will always give them plenty of roads and still be on the lookout for the (63) to happen.
This (64) has nothing to do with their lack of ability to cope with the (65) complexities of the vehicles; it is due to an inherent (66) which, in certain other circumstances, may be highly desirable, (67) which, behind the wheel, is deadly. It is their (68) for talking. Women together in a car yield (69) this need and when they talk they look into each other’s faces. Simple words are (70)
It is necessary for them to see the expression which (71) the words and so read the meaning the words left unsaid. (72) two
women in the front of a car repeatedly (73) each other’s attention from the road, and four represent an incredible danger (74) the one nominally driving the car feels it necessary to see and hear not only what her companion is talking about but also, such is her (75) , what those in the back are discussing in case it is anything (76) which she can inject and add opinion, or in the hope of collecting fresh fuel to feed other fires on later (77) .
Another factor is that women seldom use the driving mirror except for (78) purposes, after which its position gives the driver little (79) of the state of the road behind.
A final important factor that seems to lie at the back of feminine attitudes to driving is that (80) few women have the feel for a machine that so many men have; the satisfaction of a slick change down means nothing to them. The coordination between the various maneuvers (机动), an operation (81) gives many men a boost of pride, is only a momentary lapse in their concentration on the topic in hand.