limn→∞1+3+…+(2n-1)2n2-n+1=______．

第二节情景作文（共1小题，满分15分）
你班有三分之二的同学经常不在家吃早餐，而其他的同学认为在外面吃早餐有很多的弊端。为此，你班进行了讨论。请结合下表内容，介绍讨论的情况并发表自己的看法。
注意：1. 词数100左右，开头和结尾已为你写好（不计入总词数）；
2. 应适当增加细节，以使行文连贯。

Agreement	Disagreement
1. save time 2. unnecessary to get up so early 3. more delicious food	1. bad for one’s health 2. cost much money 3. …

We have made a debate whether we should have breakfast outside. Some think it is very good. ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
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