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    Almost all cultures celebrate the end of one year and the beginning of another in some way. Different cultures celebrate the beginning of a new year in different ways, and at different times on the calendar(日历).

    In Western countries, people usually celebrate New Year at midnight on December 31st—January 1st. People may go to parties, sometimes dressed in formal(正式的) clothes, and they may drink champagne(香槟酒)at midnight. During the first minutes of the new year, people cheer and wish each other happiness for the year ahead. But some cultures prefer to celebrate the new year by waking up early to watch the sunrise. They welcome the new year with the first light of the sunrise.

    Many cultures also do special things to get rid of(摆脱) bad luck at the beginning of a new year. For example, in Ecuador(厄瓜多尔), families make a big doll from old clothes. The doll is filled with old newspapers and firecrackers. At midnight, these dolls are burned(燃烧) to show the bad things from the past year are gone and the new year can start afresh(重新). Other common traditions to keep away bad luck in a new year include throwing things into rivers or the ocean, or saying special things on the first day of the new year.

    Other New Year traditions are followed to bring good luck in the new year. One widespread(普遍的) Spanish tradition for good luck is to eat grapes on New Year's Day. The more grapes a person eats, the more good luck the person will have in the year. In France, people eat pancakes for good luck at New Year. In the United States, some people eat black­ eyed peas(豌豆) for good luck—but to get good luck for a whole year you have to eat 365 of them!

屠呦呦是一位伟大的中国女科学家，请根据所给表格写一篇介绍屠呦呦的短文。

要求：1）．所写短文必须包含以上要点，可适当发挥；

      2）．层次清晰，语意连贯，中心突出，书写规范；

      3）．字数：80词左右，开头和结尾已经给出，不计入总字数。

    Tu Youyou is a great Chinese woman scientist．……

    We teenagers should learn from her．

按课文《聪明的小白兔（二）》内容填空。

       冬天的一个早晨，兔兄弟一块儿在山坡上做游戏。忽然，鸟儿们乱飞起来，对兔兄弟大喊：“不好了，老鹰来了，快藏起来！”

       小灰兔慌了：“这儿没有洞，往哪儿藏啊？”

       小白兔告诉小灰兔：“你藏到乱石堆里！”

       小灰兔忙问：“哥哥，你怎么办呢？”

        “你快藏吧，别管我。”小白兔说完，往湖边的雪地里跑去。

       老鹰飞来了，他在天上瞧了又瞧，什么也没发现。绕了几个圈子，就飞走了。

2016年6月28日，备受关注的南宁地铁1号线东段将进入试运行阶段．若南湖站到金湖广场站的路程为380m，地铁1号专用列车从南湖站到金湖广场站的运行时间约为40s，列车牵引力约为2×10⁴N．求这段路程中：

①列车行驶的平均速度；

②列车牵引力所做的功．