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.
查看答案
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
正确的处理是
A. 禁食
B. 胃肠减压
C. 全身支持治疗
D. 观察4～6周，如症状不缓解，再手术探查
E. 以上都是
Which of the following is NOT mentioned as the protesters request？
A. Calling a halt to the war on drugs in Mexico.
B. Setting up a wholesome health care system for citizens.
C. Dealing with the highly publicized issues at a rapid speed.
D. Allocating money on education and youth programs.
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