阿摩線上測驗
10. A sling is a device used in __________ .
(A) hoisting the anchor
(B) securing a small boat to a large vessel
(C) hoisting personnel aboard a vessel
(D) hoisting cargo aboard a vessel
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統計： A(114), B(130), C(135), D(361), E(0) #1799112
統計： A(114), B(130), C(135), D(361), E(0) #1799112
