单项选择题

Questions 4 to 7 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions. Now listen to the conversation. How will Ann probably spend the summer

A．Collecting information about the bacteria.
B．Working on a cattle ranch.
C．Writing a paper about extinct animals.
D．Analyzing buffalo behavior.

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单项选择题

单项选择题

Questions 4 to 7 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions. Now listen to the conversation. How will Ann probably spend the summer 您的浏览器不支持 audio 元素。