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【单选题】
下列不属于血热证的临床表现的是
A.
下列不属于血热证的临床表现的是
B.
身热面斑
C.
肌肤疮疡
D.
热入血分
E.
吐血鲜红量多
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举一反三
【单选题】When ship navigating in rough sea, the correct operation is .
A.
navigating with a low diesel engine speed
B.
navigating with a stable diesel engine speed
C.
increasing the efficiency of propeller
D.
increasing fuel injection
查看完整题目与答案
【单选题】如用重结晶法除去某产品中杂质，为此要选择合适的溶剂，溶剂的下列特点不可取的是（  ）
A.
杂质在溶剂中的溶解度常温时很小，加热时很大
B.
在室温时，产品在溶剂中易溶
C.
产品在溶剂中的溶解度随温度升高而迅速加大
D.
在同一溶剂中，产品比杂质易溶
查看完整题目与答案
【单选题】When navigating using GPS，what is an indicator of the geometry of the satellites that your receiver is locked onto ().
A.
Horizontal Dilution of Precision
B.
Selective Availability
C.
Doppler Shifting
D.
Precision Coding
查看完整题目与答案
【判断题】重结晶时,选用的合适的溶剂是在高温下溶解度大,低温下溶解度小。
A.
正确
B.
错误
查看完整题目与答案
【单选题】在OSI参考模型中,物理层的功能是( )
A.
建立和释放连接
B.
透明地传输原始比特流
C.
发送和接受用户数据
D.
在物理实体间传送数据帧
查看完整题目与答案
【单选题】When navigating a vessel，you（）.
A.
can always rely on a buoy to be on station
B.
can always rely on a buoy to show proper light characteristics
C.
should assume a wreck buoy is directly over the wreck
D.
should never rely on a floating aid to maintain its exact position
查看完整题目与答案
【单选题】在OSI参考模型中,物理层的功能是( )
A.
建立和释放连接
B.
透明地传输原始比特流
C.
在物理实体间传送数据帧
D.
发送和接受用户数据
查看完整题目与答案
【单选题】When navigating a vessel，you（）.
A.
Can always rely on a buoy to be on station
B.
Can always rely on a buoy to show proper light characteristics
C.
Should assume a wreck buoy is directly over the wreck
D.
Should never rely on a floating aid to maintain its exact position
查看完整题目与答案
【单选题】When ship navigating in rough sea, the first measure taken by the chief engineer to prevent the overload should be .
A.
cleaning fuel oil, lubricating oil and seawater filter
B.
reducing fuel feeding of the main engine appropriately or reducing the pitch angle of propeller
C.
using low sea chest
D.
closing the skylight and the ventilation opening, which doesn’t affect the normal work of equipments
查看完整题目与答案
【判断题】2KW的三相异步电动机允许直接启动。
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【单选题】When ship navigating in rough sea, the correct operation is .
A.
navigating with a low diesel engine speed
B.
navigating with a stable diesel engine speed
C.
increasing the efficiency of propeller
D.
increasing fuel injection
查看完整题目与答案
【单选题】如用重结晶法除去某产品中杂质，为此要选择合适的溶剂，溶剂的下列特点不可取的是（  ）
A.
杂质在溶剂中的溶解度常温时很小，加热时很大
B.
在室温时，产品在溶剂中易溶
C.
产品在溶剂中的溶解度随温度升高而迅速加大
D.
在同一溶剂中，产品比杂质易溶
查看完整题目与答案
【单选题】When navigating using GPS，what is an indicator of the geometry of the satellites that your receiver is locked onto ().
A.
Horizontal Dilution of Precision
B.
Selective Availability
C.
Doppler Shifting
D.
Precision Coding
查看完整题目与答案
【判断题】重结晶时,选用的合适的溶剂是在高温下溶解度大,低温下溶解度小。
A.
正确
B.
错误
查看完整题目与答案
【单选题】在OSI参考模型中,物理层的功能是( )
A.
建立和释放连接
B.
透明地传输原始比特流
C.
发送和接受用户数据
D.
在物理实体间传送数据帧
查看完整题目与答案
【单选题】When navigating a vessel，you（）.
A.
can always rely on a buoy to be on station
B.
can always rely on a buoy to show proper light characteristics
C.
should assume a wreck buoy is directly over the wreck
D.
should never rely on a floating aid to maintain its exact position
查看完整题目与答案
【单选题】在OSI参考模型中,物理层的功能是( )
A.
建立和释放连接
B.
透明地传输原始比特流
C.
在物理实体间传送数据帧
D.
发送和接受用户数据
查看完整题目与答案
【单选题】When navigating a vessel，you（）.
A.
Can always rely on a buoy to be on station
B.
Can always rely on a buoy to show proper light characteristics
C.
Should assume a wreck buoy is directly over the wreck
D.
Should never rely on a floating aid to maintain its exact position
查看完整题目与答案
【单选题】When ship navigating in rough sea, the first measure taken by the chief engineer to prevent the overload should be .
A.
cleaning fuel oil, lubricating oil and seawater filter
B.
reducing fuel feeding of the main engine appropriately or reducing the pitch angle of propeller
C.
using low sea chest
D.
closing the skylight and the ventilation opening, which doesn’t affect the normal work of equipments
查看完整题目与答案
【判断题】2KW的三相异步电动机允许直接启动。
A.
正确
B.
错误
查看完整题目与答案