单项选择题

Questions 3 to 6 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.
What will the speakers probably do next

A．Write their lab reports.
B．Find out Professor Smith’s schedule.
C．Interview some high school students.
D．Finish their chemistry experiment.

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单项选择题

单项选择题

Questions 3 to 6 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. What will the speakers probably do next 您的浏览器不支持 audio 元素。