北京市石景山区2013届高三下学期3月统一测试英语试题(9)

   73
    Although a week's normal sleep was enough to restore the affected genes to their normal pattern, researchers said that long periods of sleeplessness could lead to serious health problems including heart disease．
    74    Prof Colin Smith, one of the authors of the new paper, which was published in the Proceedings of the National Academy of Sciences journal, said: "This is only a week of short time sleeping and it is only five and a half or six hours night, Many people have that amount of sleep for weeks, months and maybe, even years so we have no idea how much worse it might be."
    If these processes continue to be disordered, you could see how you are going to get damage of organs, tissues, heart disease, etc．   75
       A．Genes in our bodies play a key role in the constant process of self-repair．
       B．The group of lack of sleeping was found to have changed the function of 711 genes．
       C．The other participants were monitored as they slept with their rest disturbed on some of the nights.
       D．The results suggest that shorter sleep provides a more permissive environment only for heart disease．
       E．If you are not able to repair cells and tissues that are damaged then you are going to suffer    permanent ill health.
       F．Studies have also shown the lack of sleep can lead to some other problems, for example limiting    our ability to drive a car safely．
       G．The findings suggest that long-lasting lack of sleep could prevent the body from fully repairing       itself and raise the risk of a host of diseases．
 
第II卷
第四部分书面表达（共两节，35分）
第一节情景作文（20分）
    假如你是李华，一名高中生。在春节期间社区里有很多外来务工人员坚守岗位，未能回家。下面四幅图描述了你和小区里的伙伴节前为他们送去温馨，共享节日欢愉的过程。请根据图片的先后顺序，写一篇周记，记录下此事。
    注意：1、周记的开头已为你写好；
    2、适当进行补充扩展；
    3、词数不少于60。
    提示词：  migrant worker外来务工人员    security guard保安
 

The Spring Festival is drawing near．However, in our community, many migrant workers remain at their posts, far away from their families and hometowns. ……
第二节开放作文（15分）
请根据下面提示，写一篇短文。词数不少于50。
You are discussing the following picture with your English friend Jim．Now you are telling him how you understand the picture and what makes you think so．