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, makingB.to solving, madeC.to solve, makingD.to solve, made 答案:B解析:B。the key to… 意为“……的关键”,其中的 to 是介词,不是不定式符号,若后接动词要用动名词。另一方面,名词 demand 与 make 是被动关系(make demands 提出要求),同时根据句中的 by the customers,可确定答案选 B已知正四棱柱ABCD-,底面边长为1,侧棱长为2,E为的中点,则异面直线与的成角的余弦值是 [  ] A.B. C.D.0
数学 试题推荐