2010年2月12日ABC会计师事务所又继续承接了X公司(属于上市公司)2009年度

我国现行税法规定，国家税务总局可以通过规章的形式设定警告和罚款，但是设定罚款的数额最高不得超过10 000元。 ( )

男性，58岁。发热，咳嗽1周，黄脓性痰，有臭味，每日约50ml就诊。X线胸片示右下肺近心缘处大片浓密阴影，距膈约1．5cm处有一3．5cm×3．0cm空洞伴液平，内壁光整，侧位病灶位于下叶前段和内侧段，近似三角形，尖端指向肺门，主动脉窗模糊。既往体健。有30年吸烟史，每日一包。

询问病史：患者有1周前行龋齿拔除手术，亦有明显体重下降、消瘦、少量痰中带血。提问：下列痰液检查项目哪项都应尽快进行（）

A.涂片Gram染色镜检

B.涂片抗酸染色镜检

C.普通培养和厌氧菌培养

D.嗜肺军团菌培养

E.病理细胞检查

F.涂片找霉菌孢子及菌丝

阅读以下关于嵌入式实时操作系统软件的选型分析方面的叙述，回答问题。
[说明]
某研究所承担了一项宇航嵌入式系统的研制任务，本项任务技术难度大，可靠性要求高，进度要求紧，预计软件规模约在一万行以上。而该所原先承担的相关项目均是用汇编语言编写的(软件规模较小，一般是几百行)。项目主管工程师将软件开发的论证工作分别布置给了架构师阮工和刘工，要求他们根据本项目的技术要求，在一周内分别提出软件的实施方案。
(1)该宇航嵌入式系统由数据处理机、信号处理机及数据采集模块组成。信号处理机主要通过数据采集模块将大量不固定时间周期的外部数据采集进来，进行预处理(如FFT变换)后提交给数据处理机；数据处理机根据功能要求完成各种计算处理工作，并将结果输出。为了达到数据处理机和信号处理机的标准化，这两类处理机均采用同种处理机的体系结构(如PowerPC 7410)。整个系统工作的最大周期为1s，最小周期为5ms。数据处理机上的任务分布如表3-10所示。

表3-10数据处理机上的任务分布表
工作周期	任务数(个)	共占时间(ms)
5	1	1
10	2	4
40	2	8
50	3	9
1000	2	3

(2)一周后，架构师阮工和刘工提交了各自的实施方案，其共同之处在于二者均提出采用操作系统及相应的软件开发环境。但是，阮工和刘工在选择什么样的操作系统及开发环境方面出现了较大分歧。阮工的实施方案指出，为了满足本项目的技术要求，并有利于本所软件的长期发展，应选用具有硬实时处理能力的嵌入式实时操作系统及开发环境(例如VxWorks等)；而刘工的实施方案指出，操作系统主要完成对计算机资源的管理与分配工作，考虑到人们对操作系统及软件开发工具的熟悉程度，本项目应选用具有大众化的，开发人员容易上手的嵌入式操作系统(例如Windows CE、Linux等)。
(3)在两人争执不下的情况下，项目主管工程师组织了相关专家对阮工和刘工提交的实施方案进行了评审。最后，专家组一致认为阮工的方案切实可行，操作系统的选型论证充分、客观，可以作为本所未来几年中相关项目的软件开发的基本环境。同时专家组还就具体实施选择嵌入式实时操作系统及开发环境产品时应着重考虑的相关问题提出了几点建议。

[问题2]
选择实时嵌入式操作系统及开发环境时应考虑哪几方面问题请用200字以内的文字简要论证。

Passage Two

Cars account for half the oil consumed in the U.S. , about half the urban pollution and one fourth the greenhouse gases. They take a similar toll (损耗) of resources in other industrial nations and in the cities of the developing world．As vehicle use continues to increase in the coming decade, the U.S. and other countries will have to deal with these issues or else face unacceptable economic, health-related and political costs. It is unlikely that oil prices will remain at their cur- rent low level or that other nations will accept a large and growing U. S. contribution to global climatic change. Policymakers and industry have four options: reduce vehicle use, increase the efficiency and reduce the emissions of conventional gasoline-powered vehicles, switch to less harmful fuels, or find less polluting driving systems. The last of these—in particular, the introduction of vehicles powered by electricity-is ultimately the only sustainable (可持续的) option The other alternatives are attractive in theory but in practice are either impractical or offer only marginal improvements. For example, reduced vehicle use could solve traffic problems and a host of social and environmental problems, but evidence from around the world suggests that it is very difficult to make people give up their cars to any significant extent. In the U.S. mass-transit rider ship and carpooling (合伙用车) have declined since World War Ⅱ. Even in western Europe, with fuel prices averaging more than＄1 a liter (about ＄ 4 a gallon) and with easily accessible mass transit and dense populations, cars still account for 80 percent of all passenger travel. Improved energy efficiency is also appealing, but automotive fuel economy has barely made any progress in 10 years. Alternative fuels such as natural gas, burned in internal-combustion engines, could be introduced at relatively low cost, but they would lead to only marginal (边缘的最低限度的) reductions in pollution and greenhouse emissions (especially because oil companies are already spending billions of dollars every year to develop less polluting types of gasoline).

Which of the following is the best solution to the problems mentioned in the passage

A．The designing of highly efficient car engines.

B．A reduction of vehicle use in cities.

C．The development of electric cars.

D．The use of less polluting fuels.

什么是增强子？其特点如何？增强子对转录有哪些正调控作用？