题目

— How do you deal with the disagreement between the company and the customers?   —The key___________ the problem is to meet the demand ___________ by the customers. A. to solving, making    B. to solving, made C. to solve, making      D. to solve, made   答案：Bkey to...，to。为介词，后接动名词做宾语，“顾客提出的要求”应用被动式。下列物质不能与氢氧化钠溶液反应的是A.Fe2O3B.Al（OH）3C.NaHCO3D.H2SiO3