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问题 解答题

100千克黄豆可以榨油13千克，照这样计算，要榨豆油6.5吨，需黄豆多少吨？

答案

设需黄豆x吨，

100：13=x：6.5

13x=6.5×100

x=50；

答：需黄豆50吨．

单项选择题

下列关于农村公路路线设计有关规定的叙述，不正确的是( )。

A．受限路段净高应不低于3.5m

B．回头曲线设计速度采用10km/h时，最小半径应不小于10m

C．受限路段会车视距应不小于80m

D．新建公路最大纵坡不宜大于10%
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单项选择题

For nearly ten years, the Unified Modeling Language (UML) has been the industry standard for visualizing, specifying, constructing, and documenting the (26) of a software-intensive system. As the (27) standard modeling language, the UML facilitates communication and reduces confusion among project (28) The recent standardization of UML 2.0 has further extended the language’s scope and viability.Its inherent expressiveness allows users to
(29) 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 (30) 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.

A．non-hardware

B．non-software

C．hardware

D．software
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