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【单选题】
设窗体上有一个名称为HSI的水平滚动条，如果执行了语句：HS1．Value=(HS1．Max·HS1．Min)2+HS1．Min，则（ ）。
A.
滚动块处于最左端
B.
滚动块处于最右端
C.
滚动块处于中间位置
D.
滚动块可能处于任何位置。具体位置取决于Max、Min属性的值
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参考答案：
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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
查看完整题目与答案
【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
查看完整题目与答案
【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
查看完整题目与答案
【单选题】The position of ______ on the crosshead is determined by dowel pins.
A.
grooves
B.
piston skirts
C.
position rings
D.
crosshead shoes
查看完整题目与答案
【单选题】The immediate cause of the crash of Colgan Air Flight 3407is __________.
A.
the captain was chitchatting with the first officer
B.
thc young first officer had little experience dealing with icyconditions
C.
both the captain and the first officer were quite tired after along-time journey
D.
the captain Marvin Renslows mistaken operation
查看完整题目与答案
【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
查看完整题目与答案
【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
查看完整题目与答案
【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
查看完整题目与答案
【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
查看完整题目与答案
【简答题】一日三餐的能量分配大体为( )。
查看完整题目与答案
相关题目：
【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
查看完整题目与答案
【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
查看完整题目与答案
【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
查看完整题目与答案
【单选题】The position of ______ on the crosshead is determined by dowel pins.
A.
grooves
B.
piston skirts
C.
position rings
D.
crosshead shoes
查看完整题目与答案
【单选题】The immediate cause of the crash of Colgan Air Flight 3407is __________.
A.
the captain was chitchatting with the first officer
B.
thc young first officer had little experience dealing with icyconditions
C.
both the captain and the first officer were quite tired after along-time journey
D.
the captain Marvin Renslows mistaken operation
查看完整题目与答案
【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
查看完整题目与答案
【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
查看完整题目与答案
【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
查看完整题目与答案
【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
查看完整题目与答案
【简答题】一日三餐的能量分配大体为( )。
查看完整题目与答案
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