A. go back alone by bus. B. go with the woman by bus. C. go with the woman by taxi. D. go with the woman by car. 参考答案:A 答案解析:[听力原文] W: Look, it's getting dark, and I have got a car. So I think we'd better go together. M
第23题: [单项选择]属细菌基本结构的是() A. 鞭毛 B. 荚膜 C. 芽胞 D. 细胞壁 E. 菌毛 参考答案:D