某6周龄鸡群冬季发病,病鸡频频摇头、打喷嚏,之后眼睑肿胀,病程长达1个月以上。剖检见鼻气管,支气管有粘稠渗出物,气囊壁增厚和浑浊,内含干酪样物。该病可能是
A. 禽霍乱
B. 鸡新城疫
C. 鸡败血性支原体感染
D. 鸡传染性支气管炎
E. 鸡传染性喉气管炎
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以市为单位,陕南地区城镇安置率不得低于(),其他地区不得低于65%
A. 65%
B. 70%
C. 75%
D. 60%
债务人为自己的信用投保的保险是()。
A. 财产损失保险
B. 责任保险
C. 信用保险
D. 保证保险
When restarting a heavy fuel diesel engine that has been stopped for some time, the engine
A. increase the starting air pressure
B. use a higher than normal cranking speed
C. increase the fuel injection pressure
D. use a fuel having a lower ignition temperature
《铁路客运运价规则》规定,托运警犬、猎犬,每头按最小重量()计算,超重时按实际重量计算。
A. 50kg
B. 20kg
C. 40kg
D. 25kg