第5题: [单项选择]In order to understand the concept of infinity, we must think in much broader terms than we are accustomed to. A. are aware of B. are convinced of C. are devoted to D. are used to 参考答案:D 答案解析:[解析] be accustomed to与be used to同义,表示“习惯于”。be aware of意识到;be convinced of被说服;be devoted to贡献于。故选D项。