题目内容

如果石油的价格上升，________。

AD曲线向右移动，实际GDP增加，价格水平上升
B. AS曲线向左移动，价格水平上升，实际GDP下降
C. AD曲线和AS曲线向左移动，实际GDP下降，价格水平上升
D. AD曲线和AS曲线向右移动，价格水平上升，实际GDP下降
E. AS曲线向左移动，价格水平上升，实际GDP上升

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The additional mark______in the Classification Certificate for Machinery represents the

A. BRC
B. MCC
C. AUT-0
D. AUT-l

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If clearance between a piston and the cylinder wall is excessive, piston slap will occur.

A. alternation of side thrust
B. a breakdown of the lube oil film on the cylinder
C. worn piston boss piston pin bearings
D. fluctuating gas pressure in tile combustion space

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International Code for the Construction and Equipment of Ships Carrying Liquefied Gases in

A. SOLAS
B. MARPOL
C. STCW
D. Ballast Water convention

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Gear pumps are widely used to transfer any one of the following but .

A. fuel oil
B. lube oil
C. hydraulic oil
D. fresh water

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