牛乳的酸度习惯上用（）来表示。

Shanghai is the biggest city with the largest   1 in the world. It is also the fastest growing city. Its name   2  "on the sea", because it sits on the shores(海滨) of the East China Sea. The  city used to be a fishing town, but these days it is not   3   a major financial(金融的) center, it's also   4  for its art and culture.

5 to Shanghai can be taken from the airport to the center in a fast train. The train     6   more than 430 kin/hour. Once you are in the city, you can't miss a popular area along the Huangpu River. Also, Shanghai Museum is a great place. And if you want to try the local  7  , you should go to Yang's Fried Dumplings. You can get some nice dumplings and a bowl of  8  soup for only ¥ 15.

Now Shanghai is getting very "heavy" from all the growth. As a   9  , the city is going down the soft ground.   10  1921, it has gone down for almost two meters.

假设（AL）=9BH,执行DAA指令，CPU将自动完成下面哪一种操作？

A．(AL)+00H→AL

B．(AL)+06H→AL

C．(AL)+60H→AL

D．(AL)+66H→AL

男，64岁，咳嗽、高热数日，无痰中带血，X线检查如图，最可能的诊断是()

A．右侧胸腔积液

B．右侧胸腔积液并肺脓肿

C．右肺炎

D．右肺不张

E．气胸

照相机一般由（）、快门、取景器、卷片机构、机身部件和控制电路等部件所组成。

A.卷片器

B.照相物镜

C.遥控器

D.测光表

漏洞扫描向远程主机的（）的不同端口的服务发出请求，并记录目标机给予的回答，通过这种方法可以收集目标机的各种信息，然后通过和知识库对比就可以找到目标机的漏洞。

A.FTP

B.HTTP

C.DHCP

D.TCP/IP