单项选择题

The time difference between two neighboring zones is （）.

A．one day
B．twenty-five hours
C．one hour
D．twenty-three hours

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热门试题

单项选择题

Which energy has damage to us according to the passage（）

A．Wind power
B．Fossil fuels
C．Solar power
D．Water power

单项选择题

Which of the following is TRUE about medicines for cold（）

A．They can cure common cold.
B．Doctors often discourage the patients from taking them.
C．About 51% of the patients take them.
D．Some Taiwanese take them unnecessarily.