题目

Let's learn to use the problem we are facing ______ a stepping stone to future success．（ ）A. toB. forC. asD. by

Let's learn to use the problem we are facing ______ a stepping stone to future success．（ ）

A. to

B. for

C. as

D. by

题目解答

答案

C. as

解析

步骤 1：分析句子结构
句子的主干是 "Let's learn to use the problem we are facing ______ a stepping stone to future success." 其中 "the problem we are facing" 是定语从句，修饰先行词 "the problem"。
步骤 2：理解固定搭配
"Use...as..." 是一个固定搭配，表示 "将……当作……使用"。
步骤 3：选择正确选项
根据固定搭配 "use...as..."，选项 C "as" 是正确答案。