题干

一条笔直的公路垂直交叉于十字路口A处,甲小组乘一辆汽车,约定向东为正,从A地出发到收工时,行走记录为(单位:千米):+15,-2,+5,-1,+10,-3,-2,+12,+4,-5,+6.同时,乙小组也从A地出发,沿南北方向的公路检修线路,约定向北为正,行走记录为:-17,+9,-2,+8,+6,+9,-5,-1,+4,-7,-8.
(1)分别计算收工时,甲、乙两组各在检修站A地的哪一边,分别距A地多远?
(2)若每千米汽车耗油2升,求出发到收工时两组各耗油多少升?
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    Hershey chocolate is famous around the world. The man who began it, Milton Hershey, was glad to share the fruits of success with others.

    Milton Hershey was born on 13 September, 1857. In 1871, he started working for a local printer. But he didn't like this kind of work and ended the job quickly. Later, he helped make candy in a factory. After a few years, Milton knew that he was a good candy maker and he wanted to start his own candy business. In 1886, he started a caramel (焦糖) business, and four years later his business was very successful. After seeing how chocolate was made. Milton loved it right away. He got married and sold the caramel company for one million dollars and opened up a chocolate factory.

    Milton built a town with houses, schools, and stores so the workers in his factory could live nearby. As Milton made more money, he built a school for orphans (孤儿). When his wife died, Milton took all of his money and gave it to the school to help those children. He also set up the M. S. Hershey Foundation to help people get an education.

    Milton Hershey died in 1945, but the world remembers him for not only making chocolate, but for his work to help people. He is someone who built a town and helped people get jobs. He is someone who built a school for children who did not have families. He is someone who helped those who were sick and someone who made that chocolate, that delicious chocolate which most of us throughout me world enjoy.