使用PowerDesigner的Data Architect可以对数据库生成物理数据

情景对话。

Husband: Hi, darling, I'm home.

Wife:  1  

Husband: Well, just as usual.

Wife: Come on, I've known you for years.Your face tells me something has happened.

Husband: Is that so?

Wife:  2  .Tell me, what happened?

Husband: Guess!

Wife: You're promoted?

Husband:  3  

Wife: You got a raise?

Husband: Right!You deserve a reward.   4  

Wife: Sure.But tell me everything from the very beginning.You didn't mention anything about this to me.

Husband: I wasn't expecting a raise myself.I wasn't even aware that today was payday when I

               got to work this morning.

Wife:  5  

Husband: No, I think I was the only one.The manager talked to me this morning.He said I had 

               been working quite hard and wanted me to keep up the good work.

Wife: Congratulations!Now let's go celebrate.

A. Did things go well today?

B. Did other colleagues in your company get a raise, too?

C. How about eating out tonight?

D. Yes, you are right.

E. Your eyes are shining and your mouth is smiling.

F. How did things go in your office today?

G. No, but very close.

(1)某芳香化合物A经分析含有C、H、O元素的质量分数分别为78.7%、8.2%、13.1%。如果该有机物的1个分子中只含1个氧原子，则该化合物的分子式为________________。

(2)如果该有机物有2个甲基，且它遇FeCl₃溶液变为紫色，则A可能的结构有_______________种；如果它遇FeCl₃溶液不变色，则A可能的结构有_____________种。

(3)如果该有机物只有1个甲基，且它遇FeCl₃溶液变紫色，则A可能的结构有_____________种；如果它遇FeCl₃溶液不变色，则A可能的结构有______________种。

(4)如果该有机物没有甲基，则它遇FeCl₃溶液_______________（填“变”或“不变”）紫色，则A可能的结构有__________________种。

在学校前庭多选用（）形成开朗而活泼的门景。

下列关于工程设计的阐述，正确的是( )。

A．工业项目设计中技术设计是设计过程中的一个关键性阶段，也是整个设计构思基本形成的阶段
B．初步设计的详细程度应能满足确定设计方案中重大技术问题和有关实验、设备选制等方面的要求
C．环境设计的深度应能满足设备、材料的选择与确定，非标准设备的设计与加工制作，施工图预算的编制，建筑工程施工和安装的要求
D．方案设计的内容包括：设计说明书、总平面图以及建筑设计图纸、设计委托或设计合同中规定的透视图、鸟瞰图、模型等

承口砂芯用以形成管子的（），并起到阻挡铁水的作用。