酸性和中酸性的铝硅酸盐岩石风化后易形成残余型高岭土矿床。()
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配矿构造是指热液矿质沉淀成矿时所在的构造，即沉淀成矿的场所。()
The best title for this text would be______.
A. The Advantages and Disadvantages of Tuition Reimbursement
B. Tuition Reimbursement Should Be Tried
C. Unconditional Tuition Reimbursement Can Pay Off
D. Why Tuition Reimbursement Is Resisted
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