变速器的档位越多，越有利于汽车（）的提高。A.速度 B.制动性 C.操纵性 D.动力

____________ is my seat? [ ]

A. What

B. Where

C. Who

　　去年年末发生的印度洋海啸造成了许多国家的巨大伤亡。中国是一个负责任的大国，中国人民是富有爱心的人民，你所在的城市举办了一场赈灾募捐晚会。这场晚会的前三个节目分别是：大合唱《让世界充满爱》，钢琴独奏《命运》，女声独唱《妈妈，你不要哭》。请你为这三个节目写三段精练的串联词。

（1）____________________________________________________________________________

（2）____________________________________________________________________________

（3）____________________________________________________________________________

患者，男，50岁。因腰骶部疼痛就诊。查体：贫血貌，全血细胞检查为正细胞正色素性贫血，尿本周蛋白增高，疑诊为多发性骨髓瘤。

本周蛋白尿不出现于（）

A.多发性骨髓瘤

B.巨球蛋白血症

C.原发性淀粉样变

D.肾小球肾炎

E.恶性淋巴瘤

阅读以下关于工作流系统模型建立和性能分析的叙述，根据要求回答问题1～问题4。
[说明]
某软件开发公司向客户交付系统产品后，由技术支持部门负责向客户提供技术服务。该技术支持部门的业务流程如下：
①当该技术支持部门接到一个客户问询电话时，由客户服务代表(CSR)接听该电话。客户服务代表根据客户问询内容产生一份服务请求文件，并开始解决客户提出的问题；
②若客户服务代表解决了客户提出的问题，这份服务请求文件被标记为“已解决”；
③如果客户服务代表在2个小时内未能解决这个问题，客户服务代表将服务请求文件转交给技术支持代表(TSR)处理；
④如果技术支持代表也无法解决这个问题，他/她将邀请助理工程师(ENGR)来一起处理这个问题；
⑤若助理工程师解决了这个问题，该服务请求文件被标记为“已解决”；
⑥若技术支持代表和助理工程师认为，是由于系统的错误引起的问题，则告知客户该问题目前无法解决；并把服务请求文件转交给本公司的工程部门处理；
⑦对已经解决的服务请求，每个月底进行一次归档(放入归档数据库)。
该软件公司正在创建一个相应的工作流管理系统，目前正处于过程定义阶段，即创建工作流模型阶段。对于这些工作流模型，除了要考虑工作流的正确性外，工作流的性能也是十分重要的。工作流性能主要反映工作流定量方面的特性，例如，任务的完成时间、单位时间内处理的任务数量、资源的利用率及在预定时间标准内完成任务的百分比等。
图7-14所示的是一个简单的工作流模型(其中单位时间为1小时)，它表示这样一个执行过程：每小时将会有20个任务到达c1，这20个任务首先经过处理task1，再经过处理task2，最终将结果传递到c3。处理task1和处理task2相互独立。

假设性能评价模型符合M/M/1排队模型，在计算性能指标的过程中可以使用下列公式进行计算：

其中，ρ表示资源利用率，λ表示单位时间内到达的任务数，μ表示该资源单位时间内能够完成的任务数。

Some politicians are scurrying about with much zest and anticipation. It’s time, their polls inform them, to find the quick fix for what they have determined is a society plagued by the irregular heartbeat of deficient values.

But there are contradictions that intrude on this denunciatory atmosphere. If there are moral omissions in the society, they cannot be sealed by instant, slenderly based attacks on entertainment. The plain fain fact is we are rearranging our priorities in the wrong way.

We are today misplacing our energies and our funding by directing all sorts of incentives to high schools and colleges. Too late. The moral scaffolding has been built by then, for better or worse. How then to begin this revision of life conduct We must introduce in pre-school, and keep alive through grade five, a new school course.

The course could be titled, "What is right, and what is plainly wrong. " For 30 minutes each day, the teacher would illuminate for these very young children what William Faulkner labeled "the old verities", the words that construct and implement the daily moral grind in every durable society must engage if it is to be judged a "just" society.

These are words like duty, honor, service, integrity, pity, pride, compassion and sacrifice, plus the clear admonition that violence is wrong. To the teaching of the meaning of those words must be added that cleansing rule of treating other people as you would want them to treat you. And most of all to make sure that these kids understand with growing clarity that home, school and church are the sanctuaries for their later life.

There is a grand simplicity to this kind of school course. It enters a child’s mind early, burrowing deep into those recesses of the human brain that even today advanced medical science has not been able to penetrate.

If you ask enough people, you will find that most of us remember our first-or second-grade teacher. I remember Miss Corbett and Miss Walker, who read to us before we really understood, but the words had weight and allure. We listened and, without really knowing it, we learned and saved what we learned. Perhaps it was because what we heard in those early school years was the first entry into our learning vessel.

Absent this kind of early instruction, absent the building of this moral shield, no congressional law, no presidential executive order, no fiery rhetoric will salvage a child’s conduct nor locate a missing moral core.

With respect to the rectification of the situation the author believes that().

A. it’s easy to carry moral education at and above high school level

B. high school students don’t need any further moral education

C. no return is to be gained on the investment in moral education

D. moral education in primary school or still earlier should be much emphasized