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问题 选择题

蔗糖放入水中一段时间后，蔗糖“消失”了。与这一现象无关的是

A．分子体积很小

B．分子之间有间隔

C．分子可以分成原子

D．分子在不停地运动

答案

答案：D

题目分析：物质在水中溶解的过程是溶质分子在水分子的作用下分散到水中的过程，这反映了分子在不停的运动。

点评：这类知识点在中考中属于必考题型，不难，考生应注意积累，特别是一些细小的琐碎的知识点。

单项选择题

 Ravi, like many project (1) ,had studied the waterfall model of software development as the primary software life-cycle (2) . He was all set to use it for an upcoming project, his first assignment. However, Ravi found that the waterfall model could not be used because the customer wanted the software delivered in stages, something. that implied that the system had to be delivered and built in (3) and not as (4). The situation in many other projects is not very different. The real world rarely presents a problem in which a standard process, or the process used in a previous project, is the best choice. To be the most suitable, an existing process must be. (5)to the new problem.A development process, even after tailoring, generally cannot handle change requests. To accommodate change requests without losing control of the project, you must supplement the development process with a requirement change management process.

空白（1）处应选择（）

A.customers

B.managers

C.users

D.Administrators
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单项选择题

对企业富余职工实行下岗而不是直接辞退的做法，属于( )劳动者权益。

A．偏重保护

B．优先保护

C．平等保护

D．全面保护
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