语法填空
    That Beijing together with Zhangjiakou succeeded in getting the chance ____(host) the 2022 Winter Olympic Games, speeds up the development of Zhangjiakou City. Word came____the Beijing -- Zhangjiakou high-speed railway ,____ (locate) in North China, is currently under construction and ____(expect) to be completed by 2020 in preparation for the cities to host the 2022 Winter Olympics.
    ____, the project is a big challenge line, with ten stations situated along its route, starting from Beijing North Railway Station, heading west through the Great Wall, three times the____(long)of the capital's territory. Having a ____(totally) investment of 31.17 billion yuan , the trip between the two cities will only take 40 minutes, with the train____(travel) at an average of 250km/h. According to the plan, the high-speed railway will build two branch lines-- one is to Yanqing Station and____other to Taizicheng of Chongli,____the Olympic village lies. The full railway, which includes 72–kolometers section through Beijing , will be completed in four and a half years.

在生活中，我们常常会不知不觉地利用物理知识来解决问题．如：用勺从电饭锅中盛饭，有时饭团会粘在勺上，用勺向下轻敲锅边就能使粘在勺上的饭团掉落，请你用学过的物理知识对这一现象加以解释．

北京目前面临的问题是（    ）
①城市人口迅猛增长  ②沙尘暴天气加剧   ③水资源匮乏
④交通拥挤          ⑤住房紧张         ⑥环境污染

历史学界普遍把出生于十四世纪初的彼特拉克视为人文主义之父。有一位学者描述了有彼特拉克生平的四件事情，可说明“彼特拉克是人文主义之父”这个论题的是(　　)

①他最初学习法律，后因经济问题改投神职成为教士。

②他的拉丁文造诣高，并以意大利方言创作美丽诗歌。

③他的著作常叙述自己，以追求名声，显示个人主义。

④他曾经攀登法国南部高山，为了居高临下欣赏美景。

阅读下列材料：

材料1：①牛顿在进行光学实验。

②自然界和自然规律隐藏在黑暗中，上帝说，让牛顿出生吧！于是一切都成为光明。

                                                                       ——蒲柏
③从数学开始到牛顿时代为止，数学工作由牛顿完成了一大半。——莱布尼茨

材料2：上中学时牛顿就喜欢做实验并记笔记，他将日常生活中发生的许多现象记录下来，还对所学的知识进行分类整理。