裁判员举起四个手指并分开表示什么（）A、四次击球犯规B、4号位位置错误C、触网犯规D

根据《环境影响评价法》的规定，对可能造成轻度环境影响的规划和建设项目，应当编制( )，对产生的环境影响进行分析或专项评价。

A．环境影响报告书
B．环境影响登记表
C．环境影响申请表
D．环境影响报告表

三相半波可控整流电路带电阻负载时，其触发脉冲控制角的移相范围是（）

A.120度

B.150度

C.180度

根据上下文，补全对话，每空一词

Woman：May I help you？

Mary：I 1. _______ this skirt here. but it's not good.

Woman：What’s the 2. ________?

Mary：It's too 3. ________ .Would you 4. _______ give me the blue one?

Woman: Not at 5. ______ . What about this red one?

Mary：I don't like red. Could you 6. _______ give me the blue one?

Woman：OK. Here 7._______ are.

Mary：This one is short, 8. ______ .Do you have another one?

Woman：Sorry. How about this one？It's 9. _______ than that one.

Mary：It's pretty good. 10. ________ you.

It should go without saying that the focus of UML is modeling. However, what that means, exactly, can be an open-ended question. （）is a means to capture ideas, relationships, decisions, and requirements in a well-defined notation that can be applied to many different domains. Modeling not only means different things to different people, but also it can use different pieces of UML depending on what you are trying to convey. In general, a UML model is made up of one or more（）. A diagram graphically represents things, and the relationships between these things. These（）can be representations of real-world objects, pure software constructs, or a description of the behavior of some other objects. It is common for an individual thing to show up on multiple diagrams; each diagram represents a particular interest, or view, of the thing being modeled. UML 2.0 divides diagrams into two categories: structural diagrams and behavioral diagrams.（）are used to capture the physical organization of the things in your system, i.e., how one object relates to another.（）focus on the behavior of elements in a system. For example, you can use behavioral diagrams to capture requirements, operations, and internal state changes for elements.

These（）can be representations of real-world objects, pure software constructs, or a description of the behavior of some other objects.

A．things 　

B．pictures 　

C．languages 　

D．diagrams