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【单选题】
将十进制数15转换为十六进制数是
A.
C
B.
D
C.
E
D.
F
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【单选题】按照作业成本法的理论观点,产品消耗的是( )。
A.
成本
B.
资源
C.
费用
D.
作业
【单选题】“ In Africa, every five seconds, a child dies of starvation ” , which type of opening does it belong to?
A.
Q uotation
B.
S tartling facts, numbers and data
C.
V ivid stories
D.
Q uestions
【单选题】我国公路铁路主要采用的缓和曲线是( )。
A.
双曲线
B.
抛物线
C.
双纽线
D.
回旋线
【单选题】Trunk type diesel engine pistons are effectively cooled when heat is .
A.
radiated through the engine block
B.
transferred to water cooled cylinder walls
C.
conducted through the piston crown
D.
transferred to escaping exhaust gases
【单选题】圆柱体铸件若有残余应力存在,沿其轴线钻孔后
A.
铸件弯曲
B.
铸件伸长
C.
铸件缩短
D.
铸件形状和尺寸不变
【单选题】Trunk-type diesel engine pistons are most effectively cooled by heat_____.
A.
conducted through the engine block
B.
conducted to water cooled cylinder walls
C.
conducted through the piston crown
D.
loss to escaping exhaust gases
【单选题】毛果芸香碱不具有的作用是
A.
刺激腺体分泌
B.
降低眼内压
C.
缩瞳
D.
调节远视
【单选题】“In Africa, every five seconds, a child dies of starvation” , which type of opening does it belong to?
A.
Startling facts, numbers and data
B.
Questions
C.
Vivid stories
D.
Quotation
【单选题】毛果芸香碱不具有的作用是:
A.
胃肠平滑肌收缩
B.
骨骼肌收缩
C.
眼内压下降
D.
心率减慢
E.
腺体分泌增加
【单选题】在水蒸气蒸馏装置中,水蒸气发生器的盛水量一般为其容积的( )
A.
1/2
B.
2/3
C.
1/3~2/3
D.
1/4~3/4
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