第4题: [单项选择]Why hasn’t the woman cooked supper A. Because she doesn’t like cooking. B. Because she doesn’t know how to cook. C. Because she doesn’t know what to cook. 参考答案:C 答案解析:[听力原文] M: Have you cooked supper F: No, I really don’t know what to cook.
第5题: [单项选择]放射性烧伤的严重程度与下列因素有关,但除外 A. 照射剂量 B. 机体的敏感性 C. 射线种类 D. 早期是否冷疗 E. 照射间隔时间 参考答案:D