题目内容

The International Oil Pollution Prevention Certificate is valid for a period of______.

A. one year from the date of issue
B. five years from the date of issue
C. three years from the date of issue
D. four years from the date of issue

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图19—8显示出________。

A. 一个充分就业均衡
B. 高于充分就业均衡，存在通货膨胀缺口
C. 高于充分就业均衡，存在衰退缺口
D. 低于充分就业均衡，存在通货膨胀缺口
E. 低于充分就业均衡，存在衰退缺口

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What is the best explanation to the underline phrase "to secure the smooth withdrawal of ships"？

A. To withdraw a ship mid make it in a safe condition
B. To secure the life of a ship and recycle it
C. To break a wreck
D. To finish the service of a ship and break it without other problems

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在图19—8中，均衡的价格水平是，同时均衡实际GDP是万亿。

A. 110；11
B. 110；13
C. 100；12
D. 90；11
E. 90；13

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Crankcase explosions in propulsion diesel engines result from

A. the splashing of lubrication oil by the crankshaft
B. the dilution of crankcase oil with particles of combustion
C. broken fuel lines spraying oil on the crankcase
D. the ignition of unburned fuel and air in the crankcase

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The International Oil Pollution Prevention Certificate is valid for a period of______.

A. one year from the date of issue B. five years from the date of issue C. three years from the date of issue D. four years from the date of issue

图19—8显示出________。

What is the best explanation to the underline phrase "to secure the smooth withdrawal of ships"？

在图19—8中，均衡的价格水平是________，同时均衡实际GDP是________万亿。

Crankcase explosions in propulsion diesel engines result from

A. one year from the date of issue
B. five years from the date of issue
C. three years from the date of issue
D. four years from the date of issue

在图19—8中，均衡的价格水平是，同时均衡实际GDP是万亿。