题目

Alia Baker is a librarian in Iraq. Her library used to be a_______place for all who loved books and liked to share knowledge. They discussed various matters all over the world. When the war was near, Alia was_______ that the fires of war would destroy the books, which are more _______to her than mountains of gold. The books are in every language- new books, ancient books, even a book on the history of Iraq that is seven hundred years old.She had asked the government for _______to move the books to a_______ place, but they refused. So Alia took matters into her own hands. _______, she brought b 如图所示为从固体混合物中分离X的两种方案,请根据方案1和方案2指出下列说法中合理的是(  ) A.可以选用方案1分离碳酸氢钠中含有的氯化铵 B.方案1中的残留物应该具有的性质是受热易挥发 C.方案2中加入的试剂一定能够与除X外的物质发生化学反应 D.方案2中加入NaOH溶液可以分离出SiO2和Fe2O3混合物中的Fe2O3
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