将x=$\frac{2}{3}$代入反比例函数y=﹣$\frac{1}{x}$中，所得函数值记为y₁，又将x=y₁+1代入函数中，所得函数值记为y₂，再将x=y₂+1代入函数中，所得函数值记为y₃…如此继续下去，求y₂₀₁₄的值．

从所给出的单词中选出合适的完成对话。

 on     Wednesday   with   piano   busy

Mike: Are you free ____ Monday afternoon, Bill?

Bill: No, I am not. I play basketball on Monday afternoon.

Mike: How about Tuesday afternoon?

Bill: I am sorry. I play the ____ on Tuesday afternoon.

Mike: How about ____ afternoon?

Bill: No, I am not. I go to the museum ____ my brother.

Mike: You are very____.

Bill: Yes, I am busy from Monday to Wednesday.

老年人易患骨质疏松症主要是由于缺铁而引起的．（判断对错）

顾炎武在《日知录·正始》中有“有亡国，有亡天下……”的论述。清末维新运动领袖梁启超将顾炎武这段论述归纳成八个字：

“____。”