鸡尾酒是一类特殊的混合酒，它是一种或一种以上基酒配制而成的（）酒品。
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（）首先用实验的方法研究动物心理，动物的学习是一种尝试与错误的过程。
《楚辞》包括两类作品：一类是伟大诗人屈原及其楚国诗人根据（）的诗歌。
A new liferaft has been installed on your vessel. The operating cord should be（）.
A. attached to the raft stowage cradle or to a secure object nearby with a weak link
B. checked to see that it's unattached
C. coiled neatly on the raft container
D. faked on deck and lead through a chock
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