第18题: [单项选择]辐射防护中常用的单位是() A. 照射量率 B. 吸收剂量 C. 比释动能 D. 剂量当量 E. 剂量当量率 参考答案:D
第19题: [单项选择]Where does the conversation take place A. At a bus station. B. In a hotel. C. In hospital. D. In a bank. 参考答案:D 答案解析:[听力原文] M: I’d like to apply for a credit card. W: OK. You should fill in this form. First, may