诗句“坐地日行八万里”中暗指了地球的公转运动和赤道的周长。    (  )

我国历史悠久，疆域辽阔。如何管理国家，特别是如何解决中央与地方的关系，是历代帝王都很重视的一个问题。请认真阅读以下材料，回答相关问题。
材料一 秦始皇在咸阳宫举行的一次庆功宴上对群臣说：“天下共苦，战斗不休，以有诸侯”。
——《史记•秦始皇本纪》
材料二 汉高祖把子弟分封到外地做诸侯王，目的是让他们镇守四海，拱卫天子。可是随着时间的推移，有的诸侯王逐渐在封国内各自为政，不听天子诏令，出入公然使用天子礼仪车驾，时刻图谋举兵夺取皇位。    ——人教版七年级教材
（1）从材料一中看出，秦始皇认为春秋战国以来，天下战争不断的根源在于西周实行了什么制度？你认为秦始皇的最大功绩是什么？
（2）从材料二中你能找到汉高祖分封子弟到外地做诸侯的目的吗？汉武帝为了巧妙削弱诸侯王封国势力，颁布了什么法令？
（3）汉武帝为了加强中央集权，在政治上还采取了什么措施？

奥运冠军刘翔最初是一名跳远选手，因为他的双腿不具备成为世界级跳高选手所需要的出色弹跳力，但爆发力很好，因而改练跨栏。这启示我们做更好的自己需要(    )

①扬长避短                        ②从国家发展和社会需要出发

③主动改正自己的缺点        ④不断激发个人的潜能

阅读下面短文，在短文的空格内填入适当的词，使其内容通顺。（每空格限填一词）

 Indians always shake their heads when they talk to others. It does not have the same meaning as our “ ____   “. If someone wants to visit  India, he should know this or it will give him some   ____  .

 One day, a foreign officer went to India on business. He hired （雇用）a car and an Indian driver. When he told his driver to take him to his office, the driver shook his head at once. The officer ____  his order and the driver shook his head again. At last, the officer, of course, got  ____ 。

“How dare（敢）you refuse my order?” he  ____   , “Drive me to the office at once!”

 The driver answered in a very loud voice too. “Yes, sir.” But to the officer's surprise, the driver shook his head at the same time.

 The car started and the officer was now so surprised that he ____   say a word. He thought about it for a while and nodded with a smile, " 'No' means 'Yes' here!”