單項(xiàng)選擇題

An advantage of nylon rope over manila is that nylon rope（）.

A.can be used in conjunction with wire or spring-lay rope
B.can be stored on decks exposed to sunlight
C.can hold a load even when a considerable amount of the yarns have been abraded
D.gives audible warning of overstress whereas manila does not

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單項(xiàng)選擇題

An aneroid barometer is an instrument（）.

A.used to measure the speed of wind
B.in which the pressure of air is measured
C.that tells which dirction a storm is coming from
D.used to measure the height of waves

單項(xiàng)選擇題

An emergence sea anchor may be constructed by type of extinguisher?（）.

A.a boat bucket
B.an air tank filled with water
C.an oar and canvas weighted down
D.All of the above

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An advantage of nylon rope over manila is that nylon rope（）.

你可能感興趣的試題

An aneroid barometer is an instrument（）.

An emergence sea anchor may be constructed by type of extinguisher?（）.