单项选择题

Questions 14 to 16 are based on a talk about robots. You now have 15 seconds to read Questions 14 to 16. According to the woman, why are robots becoming more widely used

A．They are smarter than human worker.
B．They are more productive than human workers.
C．They are very durable.
D．They are easy to design.
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单项选择题
According to the speaker, what gives modern log homes their warm atmosphere
A．Their small size.
B．Their rustic dirt floors.
C．Their walls made up of rounded logs.
D．Their sliding board windows.
单项选择题
why are students enthusiastic for positions in student organizations
A．Because they hate the constant pressure and strain of their study.
B．Because they will then be able to stay longer in the university.
C．Because such positions help them hunt better jobs.
D．Because such positions are usually well paid.
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