How did the leader of governments opponents get away from the police？
A. With the help of guns.
B. With the help of their leaders.
C. With the help of bombs.
D. With the help of proponents.
What is the main idea of the news item？
A. Many cars and houses were destroyed by flooding.
B. Natural disasters ravaged many areas in America.
C. Transportation has been hindered because of the terrible weather.
D. Urgent situation has been arisen in some places of America.
最有可能的诊断为
A. 克罗恩病
B. 肠套叠
C. 右半结肠癌
D. 卵巢囊肿蒂扭转
E. 直肠癌伴梗阻
司机发现(或接到通知)邻线发生障碍，向邻线上运行的列车发出紧急停车信号时，紧急停车信号的鸣示方式为()。
A. 一长三短声
B. 三长声
C. 连续短声
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