When talking about humor, people often refer to famous humorists such as Samuel Langhorne Clemens, better known by the pen-name Mark Twain. Samuel Langhorne Clemens, America’s famous writer,
Hoverboards are quite convient for people to carry or ride on the busy street, especially in college camps, more and more students choose to ride a hoverboard to class. So hoverboards
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的结果是（ ）
B．
=
