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單項(xiàng)選擇題

Out of the many hazards that can occur on ships, fire is by far the most frequent, and（） more total losses than any other casualty.

A.due to
B.owing to
C.results from
D.results in

單項(xiàng)選擇題

When considering the lowest fuel system operating temperature, （） are important.

A.specific gravity or relative density
B.open flash point and closed flash point values
C.higher calorific and lower calorific values
D.cloud point and pour point values