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问题 计算题

王鹏同学家里新买了一个电熨斗，他在包装盒上发现有如下表所示的标注。请计算：

（1）电熨斗正常工作时的电阻？

（2）电熨斗正常工作5min消耗的电能是多少焦耳?

答案

解：（1）

（2）W = Pt = 500W×5×60s = 1.5×105J

单项选择题

热因热用适用于( )

A．真寒假热证

B．实热证

C．寒热错杂证

D．真热假寒证

E．虚热证
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单项选择题

Which of the following statements is true according to what you hear

What conclusions can you make about the people in New York City

A．You can’t please anyone in New York City.
B．They don’t like to recycle their trash.
C．Mayor Bloomberg always turns a deaf ear to people’s complaints.
D．People want to have their trash collected more frequently.
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