当自力式调压阀上膜腔的压力下降，膜头膜片上的压差降低,调节阀的开度.A.开大 B.减

阅读理解

     Kate’s bedroom is big. A TV set is in the room. The TV set is on the table. Some red flowers (花)

are on it, too. We can see a nice picture on the wall. We can see a hat and some books on her bed.

Her shoes are under the bed. A desk is near the window. On the desk is a clock. It’s time to go to

school (该上学了). Where’s Kate’s bag? Oh, it’s on the chair. Kate is putting on (穿上) her shoes.

1. We can see ________ on the table.

A. a TV set and some red flowers

B. some red flowers    

C. a TV set  

2. Where’s Kate’s hat? It’s __________.

A. on the chair        

B. on the bed        

C. under the chair      

3. Where’s Kate’s bag? It’s _________.

A. on the chair        

B. under the bed        

C. on the wall

4. How many pictures are there in the bedroom?

A. Three.      

B. Two.        

C. One.    

5. What’s the Chinese meaning for the word “shoes” ? It’s         . 

A. 拖鞋      

B. 袜子    

C. 鞋子

会计电算化是一个用电子计算机代替人工记账、算账、报账的过程。 ( )

精馏塔内的最高点和最低点？

For nearly ten years,the Unified Modeling Language (UML) has been the industry standard for visualizing,specifying,constructing,and documenting the(1)of a software-intensive system.As the(2)standard modeling language,the UML facilitates communication and reduces confusion among project(3).The recent standardization of UML 2.0 has further extended the language's scope and viability.Its inherent expressiveness allows users to(4)everything from enterprise information systems and distributed Web-based applications to real-time embedded systems. 　　

The UML is not limited to modeling software.In fact,it is expressive enough to model (5)systems,such as workflow in the legal system,the structure and behavior of a patient healthcare system,software engineering in aircraft combat systems,and the design of hardware. 　　

To understand the UML,you need to form a conceptual model of the language,and this requires learning three major elements:the UML's basic building blocks,the rules that dictate how those building blocks may be put together,and some common mechanisms that apply throughout the UML.

空白（3）处应选择（）

A.investors

B.developers

C.designers

D.stakeholders

“外塑论”学生观的代表有（）

A.洛克

B.赫尔巴特

C.斯宾塞

D.卢梭