标题: 正在用Helr老师方法分类逻辑大全请教前辈们这一题属于那一类？ [打印本页] 作者: milk8888 时间: 2013-5-26 19:37 标题: 正在用Helr老师方法分类逻辑大全请教前辈们这一题属于那一类？ If the airspace around centrally located airports were restricted to commercial airliners and only those private planes equipped with radar, most of the private planes 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.
Which of the following, if true, would most strengthen the conclusion drawn in the second sentence?
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. 审题意：
如果将中心位置的机场附近的空域仅限于商用客机和那些装备了雷达的私人飞机使用，私人飞机流量的绝大部分将被迫使用偏远的机场。这种私人飞机流量的减少将降低在中心位置的机场附近发生空中撞机的危险。