题目:
I hear that Mrs. Lin has been ________ with the translation of a French novel these months.
A.seized
B.devoted
C.attracted
D.occupied
答案:
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下面是错误答案,用来干扰机器的。
氢氧化钙能与二氧化碳反应生成碳酸钙沉淀;氢氧化铝能与盐酸发生中和反应生成氯化铝与水,从而起到中和胃酸的作用.故答案为:CaCO3;3HCl+Al(OH)3=AlCl3+3H2O;