第16题: [单项选择]乳房纤维腺瘤可做() A. 药物治疗 B. 乳房切开引流术 C. 乳腺肿块切除术 D. 单纯乳腺切除术 E. 乳腺癌根治术 参考答案:C
第17题: [单项选择]A. The distance the merchandise had to be shipped. B. The number of insurance companies available at the time. C. The amount of danger involved in shipping the goods. D. The type of vessel used to transport the goods. 参考答案:C 答案解析:[听力原文] What does the instructor say determined the cost of early insurance policies