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If the airspace around centrally located airports were restricted to commercial airliners and only those private planes equipped with radar, most of the private-plane traffic would be forced to sue outlying airfields. Such a reduction in the amount of private-plane traffic would reduce the risk of midair collision around the centrally located airports.

The conclusion drawn in the first sentence depends on which of the following assumptions?

正确答案: C

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请教og36的题干意思

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楼主
发表于 2007-3-28 02:53:00 | 只看该作者

请教og36的题干意思

36. If the airspace around centrally located airports were restricted to commercial airliners and only those private planes equipped with radar, most of the private-plane traffic would be forced to use outlying airfields. Such a reduction in the amount of private-plane traffic would reduce the risk of midair collision around the centrally located airports.

The conclusion draw in the first sentence depends on which of the following assumptions?

A. Outlying airfields would be as convenient as centrally located airports for most pilots of private planes.

B. Most outlying airfields are not equipped to handle commercial-airline traffic.

C. Most private planes that use centrally located airports are not equipped with radar.

D. Commercial airliners are at greater risk of becoming involved in midair collisions than are private planes.
                

E. A reduction in the risk of midair collision would eventually lead to increases in commercial-airline traffic.

题干If the airspace around centrally located airports were restricted to commercial airliners and only those private planes equipped with radar这句话的理解,到底是指装有雷达装置的私人飞机不能使用centrally located airport,还是没有雷达装置的私人飞机不能使用呢?

沙发
 楼主| 发表于 2007-3-28 12:15:00 | 只看该作者

百思不得其解,是不是这个问题太笨啦

板凳
发表于 2007-3-28 13:10:00 | 只看该作者
机场仅对商业飞机和装备雷达的私人飞机开放
地板
发表于 2007-3-28 13:30:00 | 只看该作者

求救一下!

我提个更傻的问题:为什么我只能回复别人的帖子,我有不明白的题该在哪里建新帖子?怎么没有找到标识呢?

5#
发表于 2007-3-28 14:38:00 | 只看该作者
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6#
 楼主| 发表于 2007-3-28 14:47:00 | 只看该作者

谢谢斑斑

欧明白了之前对were restricted to 这个用法没掌握。

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