单项选择题
Where is the man going to make a presentation
- A．At an automobile factory.
B．At an electrical engineering class.
C．At a meeting of a public speaking club.
D．At a conference on industrial automation.
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单项选择题
What"s the topic of the passage
A．Reason"s for People"s Sleep
B．Four Stages of Sleep
C．Reasons for Sleepwalking
D．A Sleep Experiment
