患者男，34岁，因ED做血管活性药物试验，阴茎海绵体注射前列第尔10μg，5min后

Windows 98采用的是段页式存储管理，其程序的逻辑地址空间划分为若干个长度可变的段，每一段内部又划分为大小固定的页。每页的大小为( )。

A．512B

B．1KB

C．4KB

D．1MB

患者男性，63岁，高血压史10年，间断用药治疗。查体：血压150/90mmHg（20/12kPa），心率52次/分，心电图示Ⅰ度AVB。

如果若干年后出现心衰症状，且血压控制不理想，下列哪项联合用药是不合适的（）

A.小剂量美托洛尔+依那普利

B.小剂量美托洛尔+心痛定缓释片

C.小剂量美托洛尔+硝酸异山梨酯

D.小剂量美托洛尔+氢氯噻嗪

E.小剂量美托洛尔+维拉帕米

向量组α₁=（1，1，1，1）'，α₂=（1，1，1，0）'，α₃=（1，k，0，0），α₄=（1，0，0，0）线性无关，则（）。

A．k≠0

B．k≠1

C．k≠2

D．k≠3

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.

在WWW服务中，用户的信息检索可以从一台Web Server自动搜索到另一台Web Server，它所使用的技术是______。

A．hyperlink

B．hypertext

C．hypermedia

D．HTML