题目

Early in the Iliad, Homer's epic poem（史诗）about the legendary, Trojan War, there occurs a famous anecdote known as the catalogue of ships, which names all the Greek leaders and contingents(小分队) who came to fight at Troy. Before unfolding this impressive muster roll (花名册)，Homer makes a special, public appeal to the Muses to ensure he gets the facts right:Tell me now, Muses, who have your homes on Olympus-- for you are goddesses, and ever-present, and know all things, and we hear only rumour: nor do we know anythingThese lines reflect a central claim of epic poetry—that th下列有关铝化合物说法正确的是(   )A．氧化铝的熔点很高，所以不可以用来冶炼铝B．氢氧化铝是一种胶状沉淀，有较大表面积，有吸附性，可用作净水剂C．实验室可以用氢氧化钠与氯化铝来制备氢氧化铝D．氢氧化铝既可与强酸反应又可与强碱反应，是两性氢氧化物