[单项选择]Which of the following is NOT a method of protecting one's house from a hurricane A. taking out heavy things B. moving in light-weight furniture C. equipping the house with stones D. covering windows
参考答案:C 答案解析:依据是原文第三段第六行“They should also try to hurricane-proof their houses by bringing in light-weight furnitu
第27题: [单项选择]无草酸钙结晶的药材是 A. 大黄 B. 太子参 C. 党参 D. 人参 E. 甘草 参考答案:C
第28题: [单项选择]放射工作人员的年剂量当量是指一年内() A. 工作期间服用的治疗药物剂量总和 B. 检查自己身体所拍摄胸片及做CT等所受外照射的剂量当量 C. 工作期间所受外照射的剂量当量 D. 摄入放射性核素产生的待积剂量当量 E. 工作期间所受外照射的剂量当量与摄入放射性核素产生的待积剂量当量的总和 参考答案:E