如果油罐底板发生永久性变形，则罐内实际容积应为（），如果V表表示查容积表的值，V凸表

政治变革是人类社会发展中多种因素共同作用的结果，它对历史的演进和发展产生着深远影响。从专制到民主，从人治到法治是人类政治文明漫长而艰难的演进过程。

阅读下列材料并回答问题：

材料一 “论中国政治制度，秦汉是一个大变动。唐之于汉，也是一大变动”，“倘使我们说，中国传统政治是专制的，政府由一个皇帝来独裁，这一说法，用来讲明清两代是可以的。”

材料二 我们的制度之所以被称为民主政治，因为 * * 是在全体公民的手中，而不是在少数人手中。                  ——[古希腊]伯里克利《在阵亡将士国葬礼上的演说》

材料三 众议院……有弹劾（违法失职的总统、副总统和高级文官）的全权。……参议院有审讯一切弹劾案的全权。……凡必须经参议院及众议院一致同意的命令、决议……应经总统批准……。经参议院的协议及同意，并得该院出席议员三分之二赞成时，总统有权缔结条约；总统提出大使、公使、领事、最高法院法官及合众国政府其他官吏，经参议院的协议及同意时任命之……    

——摘自《美利坚合众国宪法》

请回答：

（1）根据材料一结合所学知识，说明材料一中秦汉和唐朝政治制度“大变动”分别指什么？(4分)请用明清相关史实说明材料一中“政府由一个皇帝来独裁”的观点。(2分)

（2）雅典民主政治的“黄金时代”主要机构有哪些？（1分）简要指出雅典民主政治在参与范围上有何局限性？（2分）

（3）材料四主要体现了什么原则？（2分）根据材料结合所学知识，概述美国国会在实践中与其他权力的关系。（6分）

下列工作不属于辅助核算初始化的是()。

A.对会计科目定义辅助核算属性

B.设置辅助核算种类与具体核算项目

C.输入会计科目余额

D.输入核算项目的余额或未清的业务

A student is learning to speak British English. He wonders (想知道): Can I communicate(交流) with Americans? Can they understand me? Learners of English often ask: What are the differences between British and American English? How important are these differences?

Certainly! there are some differences between British and American English. ‘There are a few differences in grammar. For example, speakers of British English say “in hospital” and “Have you a pen?” Americans say “in the hospital!” and “Do you have a pen?”. Pronunciation is sometimes different. Americans usually sound theirs in words like “bird” and “hurt”. Speakers of British English do not sound theirs in these words. There are differences between British and American English in spelling and vocabulary. For example, “colour” and “honour” are British, “color” and honor” are American.

These differences in grammar, pronunciation, spelling and vocabulary are not important, however. For the most part, British and American English are the same language.

小题1:According to this passage, a student who is learning to speak American English might be afraid that_______.

A． British people cannot understand him

B． American people cannot understand him

C． the grammar is too hard for him

D． the spelling is too hard for him小题2:American English and British English are different in ________.

A．spelling

B．pronunciation

C．grammar

D．all of the above小题3:What is not mentioned (提及) in the passage?

A．Whether there are differences between British English and American English.

B．Whether British English and American English are one language or two.

C．How the differences between British Eng­lish and American English came about.

D．How important the differences are.小题4:Most ________ say “Do you have a watch?”

A．British people

B．Americans

C．children

D．teachers小题5:According to this passage, British people and Americans have _________ difficulty in understanding each other.

A．little

B．much

C．some

D．great

常用的润滑剂有润滑脂、二硫化钼和（）三大类

A、变压器油

B、火油

C、润滑油

简述掘进工作面局部通风机停风的规定。