皮皮学,免费搜题
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【单选题】
患者,男,35岁。因发热、恶心、呕吐(10次/天)、腹痛、腹泻1天入院。每日排脓血便10~15次。2天前病人从外地出差回家。护理体检:T39.2°C,BP85/60mmHg,神清,重度脱水貌,心肺(-),腹软,肝脾未及,左下腹压痛(+),反跳痛(-)。化验:血白细胞18.9×109/L,中性粒细胞88%,淋巴细胞12%;粪便镜检白细胞50个/高倍视野,红细胞8个/高倍视野。
A.
9.最可能的诊断是
B.
急性细菌性痢疾
C.
慢性细菌性痢疾
D.
霍乱
E.
阿米巴痢疾
F.
急性胃肠炎
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举一反三
【单选题】Companies are creating new tables all the time in order to stay competitive and _____.
A.
attracting new customers
B.
don't lose their customers
C.
increase the number of customers
【单选题】最早正式使用“班级”一词的是著名教育家()
A.
埃拉斯莫斯
B.
夸美纽斯
C.
罗杰斯
D.
布鲁纳
【判断题】最早正式使用“班级“一词的是著名教育家夸美纽斯。
A.
正确
B.
错误
【简答题】最早正式使用“班级”一词的著名教育家是____________。
【判断题】某负载电阻从电源获得最大功率时,电路的传输效率最大。
A.
正确
B.
错误
【判断题】某负载电阻从电源获得最大功率时,电路的传输效率 为50% 。
A.
正确
B.
错误
【单选题】New oak tables are normal goods. What would happen to the equilibrium price and quantity in the market for oak tables if the price of maple tables rises, the price of oak wood rises, more buyers ente...
A.
Price   will fall and the effect on quantity is ambiguous.
B.
Price   will rise and the effect on quantity is ambiguous.
C.
Quantity   will fall and the effect on price is ambiguous.
D.
Quantity   will rise and the effect on price is ambiguous.
【单选题】New oak tables are normal goods. What would happen to the equilibrium price and quantity in the market for oak tables if the price of maple tables rises, the price of oak wood rises, more buyers ente...
A.
Price   will rise and the effect on quantity is ambiguous.
B.
Quantity   will fall and the effect on price is ambiguous.
C.
Quantity   will rise and the effect on price is ambiguous.
【单选题】下列球化退火的目的中不正确的是
A.
降低硬度,改善切削性能
B.
获得均匀组织,改善热处理工艺性能
C.
经淬火,回火后获得良好综合力学性能
D.
获得高的强度和硬度
【判断题】某负载电阻从电源获得最大功率时,电路的传输效率为50%。
A.
正确
B.
错误
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