第27题: [单项选择]阿片类麻醉药的解毒药是()。 A. 依地酸二钠钙 B. 亚甲蓝 C. 二巯基丁二酸 D. 氟马西尼 E. 纳洛酮 参考答案:E
第28题: [单项选择]What time did Wang Feng leave the school A. 30 minutes ago. B. 13 minutes ago. C. 20 minutes ago. 参考答案:A 答案解析:[听力原文] A: Has Wang Feng gone yet B: Yes, he has gone already. A: When did he go B: He