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【判断题】
吃得过咸,与高血压、动脉硬化等疾病有关,所以我们应该尽量不吃盐。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】What is the cause of exudation at the early stage of inflammation?( )
A.
Enhancement of vascular wall permeability
B.
Injury of endothelial cells
C.
Injury of base member of capillary
D.
Hydrostatic pressure increased
E.
Cell suce receptors that initiate responses
【简答题】在 Photoshop 中, JPEG图片中不包含 { }。
【单选题】What is NOT listed on the metallic name plate required to be attached to hand portable fire extinguishers?（）
A.
The rated capacity in gallons，quarts，or pounds
B.
The hydrostatic test date of the cylinder
C.
The name of the item
D.
An identifying mark of the actual manufacturer
【单选题】A tank of water (SG=1.0) has a gate in its vertical wall 5 m high and 3 m wide. The top edge of the gate is 2 m below the suce. What is the hydrostatic force on the gate?
A.
147kN
B.
367kN
C.
490kN
D.
661kN
E.
1028kN
【单选题】What is hydrostatic head?
A.
The height difference between the high-water reservoir and low-water sink
B.
The mass of water in the reservoir
C.
The potential energy of the water in the reservoir
D.
The maximum power that can be extracted from the reservoir
【单选题】What must be carried out in order to manually launch an inflatable liferaft not designed for float-free operation?
A.
It will be easily launched by simply breaking the weak link
B.
Depress the hydrostatic release button
C.
It is easily launched by cutting the container securing straps
D.
It is only necessary to attach the weak link to the vessel
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