第11题: [单项选择]Aboard a vessel, dividing the sum of the vertical moment by the total weight yields the vessel’s(). A. vertical moment B. transverse position of the center of gravity C. inclining moment D. righting moment 参考答案:B
第34题: [单项选择]Most people in the north wanted to ______ slavery while the slave owners of the south held that slavery should be allowed. A. extinguish B. vanish C. abolish D. withdraw 参考答案:C 答案解析:abolish意为“彻底废除,废止”;题中是废除奴隶制,符合题意;extinguish意为“使火熄灭,使消亡”;vanish意为“突然不见,消失”;withdraw意为“收回,撤销”。