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题库解析   >   假设 题型   >   CR第2部分
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CR第2部分

【OG20-P580-670题】

Enforcement of local speed limits through police monitoring has proven unsuccessful in the town of Ardane. In many nearby towns, speed humps(raised areas of pavement placed across residential streets, about 300 feet apart)have reduced traffic speeds on residential streets by 20 to 25 percent. In order to reduce traffic speed and thereby enhance safety residential neighborhoods, Ardane's transportation commission plans to install multiple speed humps in those neighborhoods.

Which of the following, if true, identifies a potentially serious drawback to the plan for installing speed humps in Ardane?

    A. On residential streets without speed humps, many vehicles travel at speeds more than 25 percent above the posted speed limit.

    B. Because of their high weight, emergency vehicles such as fire trucks and ambulances must slow almost to a stop at speed humps

    C. The residential speed limit in Ardane is higher than that of the nearby towns where speed humps were installed.

    D. Motorists who are not familiar with the streets in Ardane's residential districts would be likely to encounter the speed humps unawares unless warned by signs and painted indicators

    E. Bicyclists generally prefer that speed humps be constructed so as to leave a space on the side of the road where bicycles can travel without going over the humps

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答案:
B

A地通过�

�察监督车速是行不通的。附近城镇居民区通过减速带减速了20-25%。为了减速然后使得居民区更安全,A地交通局打算在社区弄很多减速带。目标管理,削弱题。

A、没有减速带的地方,很多车超速25%,说明减速带重要,作用相反。

B、因为重量大,消防车和救护车在减速带这里几乎要停,不利于保障社区安全,正确。

C、A地居民区限速比附近城镇限得更多,不同地区限速高低比较,无关比较。

D、开车的人如果不熟悉A地居民区,就要看着指示牌才会意识到前面会有减速带,与安全无关。

E、骑车的人希望减速带留条缝,这样骑车不用穿过减速带,与安全无关。

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