第17题: [单项选择]To ensure that the letter can satisfy the employer, you must ______. A. know his needs B. tell your requirements C. show your knowledge D. get familiar with his product 参考答案:A 答案解析:[分析] 本题考生容易混淆,因为除了正确答案之外其他几个选项的意思都有很强的干扰性。但是根据原文,为了满足雇主的要求,求职首先要了解雇主的要求是什么。