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【单选题】
患者男性,50岁,头部外伤后昏迷2小时,曾呕吐数次。入院测血压150/80mmHg,脉搏60次/分,呼吸12次/分。考虑“脑挫裂伤”给予非手术治疗。降低颅内压的主要措施是( )
A.
床头抬高15～30㎝
B.
限制每日输液量
C.
按时使用甘露醇
D.
吸氧和物理降温
E.
保持呼吸道通畅
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举一反三
【单选题】三视图是指哪三个视图 ?
A.
主视图、俯视图、左视图
B.
主视图、俯视图、右视图
C.
前视图、俯视图、左视图
D.
主视图、仰视图、左视图
查看完整题目与答案
【单选题】The speed of a radial piston hydraulic motor is controlled by varying the ___
A.
amount of cylinder block offset with respect to the rotor
B.
fluid flow rate discharged to the motor
C.
length of the motor piston stroke on the power cycle
D.
pintle discharge rate to the suction side of the pump
查看完整题目与答案
【简答题】The radial piston pump adjusts its displacement by changing the during working.
查看完整题目与答案
【单选题】If a radial piston hydraulic pump fails to deliver rated fluid volume, the cause can be _____.
A.
contaminated fluid
B.
pitted thrust rings
C.
worn pintle bearings
D.
obstructed suctions passage
查看完整题目与答案
【判断题】会计职业道德是对会计法律制度的最低要求,会计法律制度是对会计职业道德的重要补充。( )
A.
正确
B.
错误
查看完整题目与答案
【简答题】会计法律制度是会计职业的最低要求，会计职业道德是对会计法律制度的重要补充。（ ）
查看完整题目与答案
【单选题】An axial轴向 piston pump differs from a radial piston pump as the pistons of an axial piston pump are positioned （）.
A.
radially from the shaft
B.
parallel to each other and to the shaft
C.
parallel to each other but at a right angle to the shaft
D.
at an angle to each other and to the shaft
查看完整题目与答案
【单选题】在丝锥攻入1～2圈后，应及时从（）方向用90°角尺进行检查，并不断校正至要求。
A.
前后
B.
左右
C.
前后、左右
查看完整题目与答案
【单选题】电路如图所示,则提供功率的电源是 ( )。
A.
电压源
B.
电流源
C.
电压源和电流源
D.
-10
查看完整题目与答案
【单选题】With reference to a radial piston pump, which one of the following statements is false?
A.
Surrounding the fixed shaft is a hollow shaft
B.
This hollow shaft carries radial bores
C.
Each bore is fitted with a well-lapped plunger
D.
There are always even numbers of bores
查看完整题目与答案
相关题目：
【单选题】三视图是指哪三个视图 ?
A.
主视图、俯视图、左视图
B.
主视图、俯视图、右视图
C.
前视图、俯视图、左视图
D.
主视图、仰视图、左视图
查看完整题目与答案
【单选题】The speed of a radial piston hydraulic motor is controlled by varying the ___
A.
amount of cylinder block offset with respect to the rotor
B.
fluid flow rate discharged to the motor
C.
length of the motor piston stroke on the power cycle
D.
pintle discharge rate to the suction side of the pump
查看完整题目与答案
【简答题】The radial piston pump adjusts its displacement by changing the during working.
查看完整题目与答案
【单选题】If a radial piston hydraulic pump fails to deliver rated fluid volume, the cause can be _____.
A.
contaminated fluid
B.
pitted thrust rings
C.
worn pintle bearings
D.
obstructed suctions passage
查看完整题目与答案
【判断题】会计职业道德是对会计法律制度的最低要求,会计法律制度是对会计职业道德的重要补充。( )
A.
正确
B.
错误
查看完整题目与答案
【简答题】会计法律制度是会计职业的最低要求，会计职业道德是对会计法律制度的重要补充。（ ）
查看完整题目与答案
【单选题】An axial轴向 piston pump differs from a radial piston pump as the pistons of an axial piston pump are positioned （）.
A.
radially from the shaft
B.
parallel to each other and to the shaft
C.
parallel to each other but at a right angle to the shaft
D.
at an angle to each other and to the shaft
查看完整题目与答案
【单选题】在丝锥攻入1～2圈后，应及时从（）方向用90°角尺进行检查，并不断校正至要求。
A.
前后
B.
左右
C.
前后、左右
查看完整题目与答案
【单选题】电路如图所示,则提供功率的电源是 ( )。
A.
电压源
B.
电流源
C.
电压源和电流源
D.
-10
查看完整题目与答案
【单选题】With reference to a radial piston pump, which one of the following statements is false?
A.
Surrounding the fixed shaft is a hollow shaft
B.
This hollow shaft carries radial bores
C.
Each bore is fitted with a well-lapped plunger
D.
There are always even numbers of bores
查看完整题目与答案