题目

根据短文理解，选择正确答案。Fire can be very dangerous. We should be careful with it. This is what to do in a fire:●Shout out. Shout as loudly(高声地）as you can, because people may be asleep.●Call 119. Don't try to put out the fire yourself. Tell 119 where you are and what is on fire.●Keep down next to the floor. There is less smoke down there, so it's easier to breathe（呼吸）and see where you are going.●Test the door. If the door is cool, open it carefully. If the door is hot, do not open it! Try to find a different way out.●Get out. Do not stop to pick up an阅读下列材料，回答材料一:京沪高速铁路是中国《中长期铁路网规划》中投资规模最大、技术含量最高的一项工程。京沪高铁于2008年1月18日在北京举行动工仪式，并确定全线建设总工期约5 年。材料二:现有的京沪铁路长度仅为全国铁路营运线的 2% ，但它连接着京津冀与长三角两大经济圈，承担着全国 10.2%的铁路客运量和7.2%的货物周转量，其运输密度是全国铁路平均水平的4倍，由于其一直处于超负荷运行状态，因此严重制约了沿线经济发展。京沪高铁在北京举行动工仪式时，以下说法正确的是A. 地球公转在远日点附近           B. 北印尼度洋洋流呈顺时针流动C. 意大利连日阴雨                 D. 澳大利亚牧民正在剪羊毛