单项选择题

Questions 8 to 10 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions.
Now listen to the conversation.
From the conversation, what can be inferred about doctors in the Old West

A．They made their own medicines.
B．They experimented a lot.
C．They traveled by horse and buggy.
D．They were military officers.

<上一题目录下一题>

热门试题

单项选择题

单项选择题

Questions 8 to 10 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions. Now listen to the conversation. From the conversation, what can be inferred about doctors in the Old West 您的浏览器不支持 audio 元素。