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【单选题】
根据《治安管理处罚法》第82条规定,下列关于书面传唤的说法错误的是( )。
A.
对违反治安管理行为人不是必须使用书面传唤
B.
传唤的地点可以是公安机关,也可以是其它适当的地点
C.
传唤证必须由县级人民政府公安机关负责人审批
D.
公安机关应当将传唤的原因和依据告知被传唤人
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【单选题】The position of _____ on the crosshead on a large diesel engine is determined by dowel pins.
A.
the guideway
B.
the piston rod
C.
the crosshead shoes
D.
the interlocked circlip
【单选题】帮助糖尿病患者制定食谱是治疗的关键措施之一。制定食谱的步骤有:标准体重测定、计算每日热能需要量、计算三大营养素的分配比例、计算总热量及一天的分配比例、指导糖尿病患者运动。可能导致艾滋病病毒(HIV)传播的行为是与艾滋病病人或HIV感染者()
A.
共用马桶
B.
共同进餐
C.
共用注射器
D.
共用游泳池
E.
握手
【判断题】土地报酬第二阶段时,边际报酬和平均报酬同时递减,仍可以继续增加投资不会造成损失。( )
A.
正确
B.
错误
【单选题】The crosshead and crankpin bearings are secured to the_____ by means of fitted bolt.
A.
crosshead guides
B.
piston rod
C.
crosshead shoes
D.
connecting rod
【判断题】土地报酬第二阶段时,边际报酬和平均报酬同时递减,仍可以继续增加投资不会造成损失。()
A.
正确
B.
错误
【单选题】In a large slow-speed propulsion diesel engine, the force applied to the crosshead is ______.
A.
against the crosshead during power stroke and away from the crosshead during the compression stroke
B.
against the crosshead during the compression stroke and away from the crosshead during the compression stroke
C.
against the crosshead during the power and compression strokes
D.
away from the crosshead during the power and compression strokes
【单选题】The slippers run ______ in the crosshead guides as the piston and rod are ______ and prevent the top of the connecting rod from moving sideways.
A.
up and down / reciprocating
B.
up and down / rotating
C.
back and forth / reciprocating
D.
back and forth / rotating
【单选题】The crosshead and crankpin bearings are secured to the______by means of fitted bolts.
A.
crosshead guides
B.
crosshead shoes
C.
piston rod
D.
connecting rod
【单选题】The position of______on the crosshead is determined by dowel pins.
A.
the grooves
B.
the piston rings
C.
the piston skirts
D.
the crosshead shoes
【简答题】一日三餐的能量分配大体为( )。
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