求证：2＜（1+1n）n＜3（n≥2，n∈N*）．

完形填空（计10分）
阅读下列短文，从文后各题所给的四个选项中选出最佳答案。（共10小题；每小题1分，计10分）
My pen friend is a kind and friendly girl. She is in England. Her   1  is Connie. I meet Connie   2   the Internet, and we are both twelve years  3 .
First, I  4  a letter to her and introduce my hobbies, my school and my daily life. A few days later, I receive Connie’s   5 . She   6  me a lot about herself. I learn that she loves languages, sports and movies. She likes China and Chinese food very much. She tells me something about England, too. Connie is good at English, French（法语）and Spanish（西班牙语）, so I ask her to   7  me a little of them. Connie wants to  learn some   8 , but it’s very difficult for her.
Through Connie, I know   9   about the world outside. I would like to   10  Connie some day in England.

小题1:	A．hobby B．name C．age D．job

小题2:	A．on B．for C．at D．in

小题3:	A．young B．big C．small D．old

小题4:	A．read B．sing C．write D．draw

小题5:	A．book B．letter C．call D．photo

小题6:	A．asks B．says C．talks D．tells

小题7:	A．teach B．help C．give D．answer

小题8:	A．English B．French C．Chinese D．Spanish

小题9:	A．more B．less C．few D．little

小题10:

A．call B．write C．visit D．help