搜题请搜索小程序“爱下问搜题”
问题 单项选择题

关于聚丙烯酰胺凝胶电泳的说法错误的是 （）

A.是区带电泳的一种

B.是最早使用的电泳技术

C.聚丙烯酰胺凝胶具有分子筛的作用

D.分离血清蛋白质可以得到20种以上的组分

E.根据凝胶的形状可分为圆柱形和平板型两类

答案

参考答案：B

解析：聚丙烯酰胺凝胶电泳是目前临床生物化学检验中最常用的电泳技术，而不是最早使用的电泳技术，其余选项均正确。

填空题

根据句意完成已给出首字母或汉语提示的单词，使补全后的句子意思通顺语法正确。

1. Can you p________ me with some books on science?

2. Could you tell me how to p________ this word?

3. The policemen have caught the thief who matches Mrs. Li's d________.

4. Hong Kong has lots of great e________.

5. I want to join the school v________ project.

6. She is ________ (自信) of passing the exam.

7. I've ________ (认识到) the importance of learning English.

8. Many ________ (摄影师) are having a meeting here.

9. It is ________ (方便) to go to school by bike.

10. Well go to the Great Wall, ________ (包括) you.

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填空题

以下是本端路由器的配置摘要，请解释其中部分语句的含义(“//”后为注释内容)。
version 11.2 //版本
!
hostname RouterCOM//路由器名称
!
interface Seria10//串口0
ip address 218.94.86.2 255.255.255.248 //串口0的ip地址
ip nat outside (1)
!
interface FastEthernet 0 //快速以太口0
ip address 192.168.0.1 255.255.255.0 //快速以太口0的ip地址
ip nat inside (2)
!
access-list 1 permit 192.168.0.0 0.0.0.255 (3)
!
ip nat pool natpool 218.94.86.5 218.94.86.6 netmask 255.255.255.248
(4)
ip nat inside source static 192.168.0.100 218.94.86.3 (5)
ip nat inside source statiC 192.168.0.101 218.94.86.4
ip nat inside source list 1 pool natpool overload (6)
……(略)
end
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