Last fall, before Thanksgiving, I was making my way in my car out of the shopping center parking lot. I was bored in the car. I 1 a woman heavily loaded with 2 and her two boys, one carrying a pumpkin and the other another bag.

    They were headed, I3 to the bus stop across the major road.4 it was too far to walk with all those 5 to any of the nearby bus stops, on a random impulse（冲动），I rolled down my window and asked if they were indeed headed to the6. “Yes,” the mother 7 I asked, “Would you like a 8? “Oh, yes!” was their 9reaction.

    I was also delighted，and，after driving out of the way of other10 I stopped and the boys piled into the back seat . The mother started to push 11beside them. I 12her by saying, “Oh, you come on up here 13 me. I'm not a taxi driver!” So off we went.

    Right away, I decided to take them a mile and a half to their home, since I had 14and they had bags. All the way, I had just a fine time listening and talking with all of them. It felt so good to be able to do this little 15 and showed that with such a small 16 I could make a big difference to a tired mother. I'm not sure 17got the most out of it.

    18this was special for me 19 as a disabled person, I often receive help and now I know how especially good it feels to be 20

计算2007²﹣2006×2008=____ 

古诗文默写填空。
①人不寐，                          。（范仲淹《渔家傲·秋思》）
②过尽千帆皆不是，                   。（温庭筠《望江南》）
③                  ，草色遥看近却无。（韩愈《早春呈水部张十八员外》）
④两千多年前,思想家孟子就告诉我们,一个人要有忧患意识,这个句子是：                            ,                                       。