题目
Displacement is the first and foremost striking feature of human language. ()
第3题
A.duality of structure
B.genetic feature
C.arbitrariness
D.displacement
第5题
The amount of fluid delivered by a positive displacement pump can be regulated by _____.
A.throttling the pressure line
B.changing the speed of the driving rotor
C.either A or B
D.None of the above is tree
第7题
A.Competence
B.Arbitrariness
C.Displacement
D.Productivity
第8题
Deadweight is ________ .
A.the tonnes of the displacement of a vessel in water of a specific gravity of 1.025 at summer load water line
B.the difference in tonnes between the displacement in salt water at summer load waterline and the light weight of the vessel
C.the cargoes in tonnes that can be loaded in a vessel at summer load water line
D.the bale capacity in cubic meters of a vessel
第9题
A.Arbitrariness
B.Competence
C.Displacement
D.Creativity
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