易转化为慢性细菌性痢疾的菌群:() A.宋内志贺菌 B.福氏志贺菌 C.鲍氏志贺菌

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问题:

易转化为慢性细菌性痢疾的菌群:()

A.宋内志贺菌

B.福氏志贺菌

C.鲍氏志贺菌

D.痢疾志贺菌

E.空肠弯曲菌

考点:重庆住院医师内科I阶段感染科感染科题库
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根据句意选出合适的动词或词组,用其适当的形式完成句子
pick out,  crowd in,  intend,  build up,  lead to
refer to ,  turn away,  carry on , come to life,  function, 
小题1:Ted looked up briefly, and then ___________with what he was doing.
小题2:Memories that she would rather forget came ___________.
小题3:This picture was taken a long time ago. I wonder if you can ___________ my father.
小题4:These exercises are good for ___________ leg strength.
小题5:It was foolish of him ____________ his notes during that important test, and as a result, he got punished.
小题6:When they got to the concert they ___________because they didn’t have a ticket.
小题7:In the springtime, everything ___________ again.
小题8:His bad health has prevented him from ___________ effectively in recent weeks.
小题9:The death of Yue Yue shocked the nation and ___________ much soul searching(深刻反省) about people’s willingness to help others.
小题10:Obama’s financial plan ___________ to improve the current economic situation.
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货船常采用()舵。

A.平板舵

B.双支点平衡舵

C.半悬挂式平衡舵

D.B或C

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现有电阻R、开关S,标有“12V 2W”字样的灯泡L和滑动变阻器按图所示连接在电压为16伏特且稳定不变的电源上. 

(1)闭合开关S,当滑片P移到M端时,灯泡很亮(但灯丝没有烧断)求灯泡的实际功率;

(2)断开开关S,把滑片P移到N端时,电灯L正常发光,求滑动变阻器的最大阻值?

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将力F分解成F1、F2两个分力,如已知F1的大小及F2与F之间的夹角θ(θ为锐角),则:(   )
A.当F1>Fsinθ时,有两个解B.当F>F1>Fsinθ时,有两个解
C.当F1=Fsinθ时,有唯一解D.当F1<Fsinθ时,无解
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随着有机污染强度由高到低的递减,大型底栖无脊椎动物群落优势种群演替的顺序一般是()。

A、蛭类、颤蚓、软体动物、水生昆虫

B、颤蚓、摇蚊幼虫、栉水虱、清水动物

C、颤蚓、摇蚊幼虫、软体动物、襀翅目—蜉蝣目—毛翅目等多种清水型水生昆虫

D、多毛类、颤蚓、摇蚊幼虫、其它水生昆虫

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