第10题: [单项选择]What is Johnson’s occupation now A. He is a salesman. B. He is a newspaperman. C. He is a manager. D. He is a secretary. 参考答案:C 答案解析:[听力原文] M: Johnson worked as a salesman for five years. Then he became a newspaperman. After that
第11题: [单项选择]铁的吸收主要在() A. 胃 B. 十二指肠及空肠上段 C. 各段小肠 D. 升结肠 E. 降结肠 参考答案:B