中国是一个统一的多民族国家，在历史上有过分裂，维护祖国统一是_爱下问搜题

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问题探究题

中国是一个统一的多民族国家，在历史上有过分裂，维护祖国统一是中华儿女不变的追求。

结合所学知识，回答下列问题：

（1）我国历史上第一个统一的中央集权的封建国家是什么？统一于何时？

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（2）汉武帝是如何在政治上、经济上和思想上实现大一统的？

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（3）西汉是怎样加强对新疆（西北地区）的管辖的？

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（4）近年来以“达赖”为首的少数藏独分子企图策划西藏独立，请你用元朝和清朝前期各一件历史史实，批驳达赖集团的藏独言论。

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答案

（1）秦（秦朝），公元前221年。

（2）政治上，颁布“推恩令”，削夺王侯的爵位，解决王国问题；经济上，实行盐铁官营，统一铸造五铢钱；思想上，接受董仲舒的建议，“罢黜百家，独尊儒术”，大兴儒学教育，加强思想统治。

（3）西汉政府设立西域都护，总管西域事务。从此，今新疆地区开始隶属中央政府管辖，成为我国不可分割的一部分。

（4）元朝加强对西藏的管辖（设宣政院），西藏成为元朝正式的行政区。清朝建立中央册封达赖和班禅制度；1727年，清政府设置驻藏大臣，后来明确规定驻藏大臣代表中央政府，与达赖、班禅共同管理西藏事务。

完形填空

When I was a teenager I volunteered to work at the water station at a 10,000 m race.      My 36 was to pass out water to the runners. I remember being so excited to see all the different kinds of    37  who passed by and   38 a cup of water. The next year I signed up for the   39  and gave it a shot.
The first 10,000 m race was quite an experience. I jogged, I walked, I jogged and I walked. At times, I didn’t   40  if I could finish.
At one point near the end, a 70-year-old man ran past me very   41  , and I felt embarrassed that I was 50 years younger than him and I couldn’t even keep up with him. I felt      42  for a second.
But then I   43   something. He was running his race and I was running mine. He had   44  capacities, experience, training and goals for himself. I had mine. Remember my   45   was only to finish.
After a minute, it   46 me that this was a lesson I could draw from . I learned 47 about myself in that moment. I turned my   48  into inspiration.
I decided that I would not   49 running races. In fact, I would run even more races and I would learn how to train and 50 properly and one day I would be one of those 70-year-olds who were still running. As I   51 the finishing line, I was proud 52 my accomplishment.
In life we all have those moments when we 53 ourselves to others. It’s only   54 . Don’ allow those moments to weaken you. Turn them into   55  and let them inspire you. Use them to show you what is possible.

A．disappointment

B．embarrassment

D．achievement

单项选择题

有关多段线的说法错误的是（）

A、是圆弧和直线的复合体

B、首尾相连的多段线可以进行合并

C、只有在画直线时才可以设置两端的宽度