诗学是关于文学理论的学科。

     中国近代化的过程，实质就是中国先进分子发展近代工业、学习西方民主政治、传播西方科技文化的过程。依据所学知识，完成下列问题。

（1）开启中国经济近代化探索的标志性事件是什么？请概括指出它从哪些方面进行了有益探索。

（2）中国近代前期，在借鉴西方民主政治和传播西方民主思想的过程中，产生了三次重要的运动。请你

    写出其中一次运动的名称并说明其积极作用。

（3）在学习西方的过程中，中国近代前期出现了一批杰出的科学家和思想家。结合所学知识完成下面表

    格。

（4）近代前期各阶层的探索取得了一系列成就，但最终未能使中国实现近代化。你认为其根源是什么？

目前，电子商务涉及的法律问题有（）

A.在线不正当竞争与网上无形财产保护问题

B.在线消费者保护问题

C.网上电子支付问题

D.电子合同问题

耐火电缆A类受火温度为( )。

A．650～700℃
B．750～800℃
C．800～900℃
D．900～1000℃

What’s in a surname You may ask. A new website project has been released, that helps you (1) . Have you ever wondered why your ancestors gathered where they did, or where others with your surname live now A research project (2) in Britain answers these questions. And another study has found the surnames are (3) .
"Smith", for example, remains the most common surname in Britain. Used by (4) people, it has exactly the same concentration it always did in Lerwick, in the Scottish Shetland Islands. "Jones" is (5) , and is the most common among hill farmers (6) .
The data used for this project comes partly (7) . A number of other files are held by Expairing, which is probably Britain’s (8) .
There’ re some of us who are fairly predictable. "Campbell", for example, as you might expect, is somewhat concentrated (9) , and it appears really bizarre to be found anywhere else.
Well, with 25,000 names as (10) , what you can do is put them in general categories, if, for example, you look at (11) . Like the name Webber, you might find it is much more common in the Midlands than (12) . If you go to Wales, most people get their names (13) . And in Yorkshire for example, a lot of people have names (14) that they originally lived in or at least their ancestors did.
Well, we only have 25, 000 names on this website, but there’re (15) now found in Britain and they’ re particularly interesting, for (16) . Most British names are fairly common. And about what we can now do as such is look for (17) from different parts of the world and different faiths, (18) . And what there is in names is actually extremely useful, for researchers in (19) may find a lot about (20) now living in this country.

What’s in a surname You may ask. A new website project has been released, that helps you (1) . Have you ever wondered why your ancestors gathered where they did, or where others with your surname live now A research project (2) in Britain answers these questions. And another study has found the surnames are (3) .
"Smith", for example, remains the most common surname in Britain. Used by (4) people, it has exactly the same concentration it always did in Lerwick, in the Scottish Shetland Islands. "Jones" is (5) , and is the most common among hill farmers (6) .
The data used for this project comes partly (7) . A number of other files are held by Expairing, which is probably Britain’s (8) .
There’ re some of us who are fairly predictable. "Campbell", for example, as you might expect, is somewhat concentrated (9) , and it appears really bizarre to be found anywhere else.
Well, with 25,000 names as (10) , what you can do is put them in general categories, if, for example, you look at (11) . Like the name Webber, you might find it is much more common in the Midlands than (12) . If you go to Wales, most people get their names (13) . And in Yorkshire for example, a lot of people have names (14) that they originally lived in or at least their ancestors did.
Well, we only have 25, 000 names on this website, but there’re (15) now found in Britain and they’ re particularly interesting, for (16) . Most British names are fairly common. And about what we can now do as such is look for (17) from different parts of the world and different faiths, (18) . And what there is in names is actually extremely useful, for researchers in (19) may find a lot about (20) now living in this country.

当厌氧消化正常进行时，氧化还原电位应维持在（）左右。

A.200mv

B.-200mv

C.300mv

D.-300mv