单项选择题

患儿男，3个月，腹泻2天，每天10余次，稀水便，呕吐，尿少，前囟凹陷，精神萎靡，呼吸深快，口唇樱桃红，考虑该患儿腹泻伴有

A.酸中毒
B.败血症
C.低钾血症
D.中毒性脑病
E.休克
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The US Hardware Manufacturing SectorThe hardware manufacturing sector in the United States generated $3.08 billion in sales last year. The industry currently employs approximately 18,000 people, nearly 15,000 of whom are engaged in production.During the 1980s and 1990s, large corporations began to acquire smaller firms. For example, Twin Falls Hardware, long the number-two company in the industry in terms of sales, acquired eight companies between 1986 and 1993, further reinforcing its positionIn 1995, two large hardware manufacturers, Gator InC.and Kairn Corporation, merged to form. Kairn Holdings, an arrangement profitable for both companies. Kairn Holdings was the leading hardware manufacturer in the United States in 1998, and continues to be a market leader.The majority of companies in the hardware manufacturing sector are privately owneD.The industry is concentrated in the Southeastern United States, with over 40 percent of shipments originating therE.What is learned about the US hardware manufacturing sector?A.It employs about 18,000 peoplE.B.It is entering a period of changE.C.It reached its peak during the 1990s.D.It is a combination of three different industries.
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单项选择题
男，25岁。诊断为坐骨直肠窝脓肿。其主要表现是下列哪一项
A.持续性胀痛，排便或行走时加重
B.腹泻或排便失禁
C.初期膀胱刺激征明显
D.初期直肠刺激征明显
E.肛门口有较多脓性分泌物
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