单项选择题

A．They occur at regular intervals.
B．They can withstand great heat.
C．They travel through the Earth’s interior.
D．They can record the Earth’s internal temperature.
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单项选择题
A．Give Jack a different office. B．Complain to the department head. C．Move the supplies to the storage room. D．Try to get a room to use for meetings.
A．Give Jack a different office.
B．Complain to the department head.
C．Move the supplies to the storage room.
D．Try to get a room to use for meetings.
单项选择题
A．Because he has some knowledge of the law. B．Because he once had the same problem. C．Because he is a friend of the owner. D．Because he can bring a lawsuit against the owner.
A．Because he has some knowledge of the law.
B．Because he once had the same problem.
C．Because he is a friend of the owner.
D．Because he can bring a lawsuit against the owner.
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