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单选题
It is more economical to use (), because of their greater strength and longer useful lives.正确答案A
A

nylon ropes

B

manila ropes

C

sisal ropes

D

wooden ropes


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更多 “单选题It is more economical to use (), because of their greater strength and longer useful lives.正确答案AA nylon ropesB manila ropesC sisal ropesD wooden ropes” 相关考题
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