既是特殊疑问句又只能用YES来回答?

有的，
就是那些只想要别人肯定你的答案的句子。
例如：Mao zedong(毛泽东) was died,wasn't he?
表示你说的那个句子是既定事实。

-How do you answer a question that its answer is yes?
-Yes.