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單項選擇題

An “atoll cloud” forming over an island due to heating of the land during the daytime would be which type? （）

A.Cirrus
B.Cumulus
C.Stratus
D.Nimbus

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An “ABC” dry chemical fire extinguisher would be LEAST effective against a fire in（）.

A.a mattress
B.spilled liquids such as oil or paint
C.high voltage electrical gear
D.a trash can

單項選擇題

AMVER is a system which provides（）.

A.satellite communications
B.navigational information
C.weather information
D.position reporting service

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