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單項(xiàng)選擇題

When we stow nylon rope, we can （）.

A. stow it in strong sunlight
B. cover it with tarpaulins
C. keep it on a reel
D. keep it by itself

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單項(xiàng)選擇題

Ropes should be kept （）.

A. in wet places
B. close to the heat
C. away from chemicals
D. in dry places

單項(xiàng)選擇題

It is more economical to use （）, because of their greater strength and longer useful lives.正確答案A

A. nylon ropes
B. manila ropes
C. sisal ropes
D. wooden ropes

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