单项选择题

Women drivers are more likely to be involved in an accident, according to scientists.
Researchers (1) 6.5 million car crashes and found a higher than expected number of accidents between two female drivers. They also discovered that women have a (2) time negotiating crossroads, T-junctions and slip roads. The results are even more (3) given that men spend more time (4) than women. On average, men drive 60 percent of the time, and women 40 percent.
Michael Sivak, of the University of Michigan, said: "The results (5) that in certain crash situations, male-to-male crashes tend to be under- represented and (6) crashes tend to be over-represented. "
Dr. Sivak and his colleague Brandon Schoettle studied data from a nationally (7) sample of police-reported crashes in the US from 1988 to 2007. They (8) to fend that accidents involving two male drivers would make up 36.2 percent of all crashes, while female-female accidents would (9) 15.8 percent and male-female 48 percent. (10) , they discovered that accidents involving two women drivers were 20.5 percent, while male-male crashes were (11) at 31.9 percent. Accidents involving male and female drivers (12) at 47.6 percent, as expected.
The scientists also found that women were more likely than men to crash at a(n) (13) , and their cars were often (14) on the left- hand side when trying to make a (15) turn, and vice versa. Dr. Sivak said this (16) be due to height difference (17) the sexes.
He said:" There are three (18) driver- related factors, including the (19) of being at the wrong place at the wrong time, one’s own driving skills and the driving skills of (20) driver involved.

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