我国青藏高原的形成原因是海平面的下降。[ ]

阅读下列材料，回答问题。（8分）

材料一：不同时期我国南北方的人口数量及所占比例情况

朝代	南方		北方
	人口（万户）	占全国户口数比例	人口（万户）	占全国户口数比例
西汉	247	19.8%	998	80.2%
唐代	392	43.2%	515	56.8%
北宋	1122	62.9%	662	37.1%

材料二 “朝廷在故都（东京）时，实仰东南财赋，而吴（江苏）中又为东南根抵(根基、基础)。语曰“苏湖熟，天下足”。

——《宋史》

问题一：分析材料一，西汉至唐朝时期，我国的统治中心在哪一地区？（1分）

问题二：唐朝时，我国商业繁荣，大城市数量多，其中哪一个城市既是当时各民族交往的中心，也是国际性的大都市？（1分）此城市在布局方面有何特点？（1分）

问题三：阅读材料一、材料二，我国经济重心在宋朝时有何变化？（1分）请简单分析发生此变化的原因。（2分）

问题四：宋朝经济繁荣，请列举两个例子进行说明.(2分)

治疗要获得病人的知情同意，其实质是（）。

A.尊重患者自主性

B.尊重患者社会地位

C.尊重患者人格尊严

D.患者不会做出错误决定

E.患者提出的要求总是合理的

在横线上填上适当的词，使两个句子的意思相同。

1. Pour some water on his face-he'll soon come round.

    Pour some water on his face-he'll soon ____ ____ ____.

2. Some students want to have their own rooms so I will go to the office to ask if they can satisfy them.

    Some students want to have their own rooms so I will go to the office to ask if they can ____ ____ ____.

3. The writer was absorbed in his writing that he forgot to flick the ashes from his cigar.

    The writer ____ himself ____ his writing that he forgot to flick the ashes from his cigar.

4. In big cities we have many entertainments to relax on weekends.

    In big cities we have many ____ to relax on weekends.

5. The shop sells various dresses at different prices.

    The shop sells ____ ____ ____ dresses at different prices.

6. In order to make time pass pleasantly I read detective stories on a rainy day.

    I ____ ____ ____ reading detective stories on a rainy day.

7. The nation wants peace; only a few people want the war to continue.

    The nation wants peace; only ____ ____ want the war to continue.

8. Mr. Johnson can speak more than Chinese. He can also speak Russian.

    Mr. Johnson can speak ____ ____ Chinese ____ ____ Russian.

9. Tom doesn't enjoy computer games, and doesn't like sports games, either.

    Tom doesn't enjoy computer games, ____ ____ ____ ____ sports games.

非参数统计应用的资料是（）

A.正态分布的资料

B.任意分布的资料

C.偏态分布的资料

D.样本率相等的资料

E.总体率相等的资料

青春期可以细分为早中晚三期，请阐述每一期发育的主要表现。