下列方程是一元二次方程的是（　　）

A.  B.  C.  D.  E.

⑴____My friend's a boy. His name's Bill. He's ten. He's tall. He has short hair. He has grey shorts. He has a skateboard.

⑵____My friend's a girl. Her name's Polly. She's eight. She's short. She has short hair. She has a blue dress. She has a cat.

⑶____My friend's a girl. His name is Jill. She's eleven. She's thin. She has a skateboard. She can play on the skateboard.

⑷____My friend's a girl. Her name's Amy. She's twelve. She's tall. She has long hair. She has a blue skirt. She can fly a kite.

⑸____My friend's a boy. His name's Mark. He's eleven. He's short. He has long hair. He has a pair of jeans. He likes riding a bicycle.

阅读下面的材料，根据要求写一篇不少于800字的文章。

      作家麦家曾经这样说过，平庸的人有一条命：性命；优秀的人有两条命；性命和生命；卓越的人有有三条命：性命、生命和使命。

细细想来，此言还真是精辟，概括出了人生的三种境界。平庸的人，浑浑噩噩，虚度一生；优秀的人，挑战自我，超出常人；卓越的人，铁肩担道义，不同凡响。

以上材料，引发你怎样的感悟与思考？请以“命与境”为题，写一篇不少于800字的文章。

要求：①角度、立意自定，不得脱离材料内容及含义。②明确文体，不得写成诗歌。③不得抄袭、套作。