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【多选题】
下列说法正确的是 [     ]
A.
二氧化硅是酸性氧化物，它可以跟碱反应，但不能与酸反应
B.
根据反应SiO 2 + CaCO 3 CaSiO 3 +CO 2 ↑可推知硅酸酸性比碳酸强
C.
二氧化碳通入硅酸钠溶液中可以制得硅酸
D.
晶体硅可以制取光导纤维
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【单选题】— What _______ if you _______ on the Titanic? — What a question! [     ]
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