患儿，3岁。入夏以来发热已有20余日，体温38℃～39℃，肌肤少汗，手足欠温，口干喜

人的手掌常会磨出“老茧”，这是由于下列哪项显著增厚而形成的      [ ]

A．真皮   

B．皮下组织    

C．生发层    

D．角质层

已知二次函数y=3（x﹣m）²+3，当x＞4时，y随x的增大而增大；当x＜4时，y随x的增大而减小，则m为（    ）。

补全对话。

(Jack=J Susan=S)

S: It's Sara's birthday the day after tomorrow.  1. __________________?

J: Does she like reading? 2. __________________.

S: Well, she has had lots of books already.  Besides, her birthday present last year was also a book.

J: 3. __________________?

S: No, she doesn't like basketball, but she likes football.

J: Get her a football, then?

S:4. __________________?

J: I have no idea, about 20 dollars, maybe.

S: I have only 6 dollars.  5__________________?

J: I have eight.  Why not go and ask John if he would like to join us?

S: That's really a good idea.  Let's do that right away.

1. _________2. _________3. _________4. _________5. _________  ,

BSP方法的研究包含若干主要的活动，下述( )不是其应包括的活动内容。

A．定义企业过程

B．定义数据类

C．定义数据库结构

D．定义信息总体结构

第一强度理论以（）作为材料发生断裂破坏的原因。

A.最大拉应力

B.最大剪应力

C.最大伸长线应变

D.形状改变比能