The host group should includ an interpreter, if necessary. Prepare a tasteful, professional sign in order to catch the eye of the visitors. Question: The host group don't need an interpreter.
A.
正确
B.
错误
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举一反三
【简答题】y=f(x)是定义在R上的函数,f(x+2)=f(x),当0≤x≤2时,f(x)=2 x +log 3 x,则f(3)=______.