A. Moane will at least study three more years. B. Moane began his Ph.D. studies less than three years ago. C. Moane has studied at least for three years. D. Moane has 参考答案:C 答案解析:[听力原文] M: How long has Moane been studying for his Ph. D. Three years W: At least that long.
第17题: [单项选择]蛤粉炒阿胶的作用是长于() A. 止血安络 B. 益肺润燥 C. 滋阴补血 D. 固精缩尿 E. 通络止痛 参考答案:B