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【单选题】
内燃机气缸的工作原理,不是以下哪一项?()A.
爆缸
B.
点火
C.
排气
D.
进气
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反馈参考答案：
举一反三
【单选题】If you are given the job of adding hydraulic fluid to a mooring winch, and are not certain as to the type of fluid to use, you should （）.
A.
add fluid that is the same color as the fluid in the reservoir
B.
add turbine oil because it is always a good substitute
C.
add any oil that has the same viscosity as the hydraulic fluid
D.
check the winch manufacturers instruction book
【简答题】cerebrospinal fluid imaging
【简答题】基因矫正(gene correction)
【单选题】The pressure at point in a fluid is the same in all directions only when the fluid is :
A.
perfect gas
B.
imcompressible
C.
at rest
D.
Newtonian fluid
【单选题】A disadvantage of fluid measuring is that ______.
A.
fluid saturation of rocks can be caused by changes other than strain
B.
present scientific instruments are not able to provide precise measurement
C.
the electrical properties of the rock itself also change, the fluid capacity of rocks
D.
fractures in these rocks are often so serious that accurate measurement is impossible
【判断题】The main principle for error correction is that self correction is the best.()
A.
正确
B.
错误
【单选题】What is interstitial fluid (IF)?
A.
The liquid part of blood
B.
Fluid in the space around cells
C.
Fluid found inside lymphatic vessels
D.
Sticky fluid on respiratory mucosa
【单选题】Incompressible fluid means ( ).
A.
The balance of fluid
B.
The movement of fluid
C.
Inviscid fluid
D.
Ignore the changes of density
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