男性，30岁，反复中上腹痛5年，常在空腹和夜间发作，进餐可缓解；昨晚饮酒后突然出现中上腹部剧烈疼痛，大汗淋漓。体检：全腹肌紧张，呈板样僵直，伴有明显压痛和反跳痛。最可能的诊断是( )
A. 急性胰腺炎
B. 急性小肠扭转
C. 胃癌腹膜转移
D. 穿透性溃疡
E. 十二指肠溃疡急性穿孔
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下面程序段中c的二进制值是______。 char a=3,b=6,c； c=a^b＜＜1；
A. 00001011
B. 00001111
C. 00011110
D. 00011100
格林-巴利综合征有肢体感觉障碍的病人不宜( )
A. 经常翻身
B. 睡于软床上
C. 用温水擦浴
D. 使用热水袋
E. 用乙醇按摩
What can be said about the varieties of homes
A. The early homes were larger than the more modem breeds.
B. The only true wild homes left in the 20th century am in the Middle East.
C. The oldest breed of the modem horses is said to be the Arabian.
D. Medieval Knights preferred fast, active horses.
What are some of the characteristics of the horse
A. Poor memories.
B. More intelligent than the dog.
C. Great loyalty.
D. In some areas they can exceed the abilities of man.
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