下图是a-银环蛇毒引发机体免疫效应的部分示意图，请据图分析回答：物质A是（），由细胞

十七大报告指出：“建设生态文明，基本形成节约能源资源和保护生态环境的产业结构、增长方式、消费模式。循环经济形成较大规模，可再生能源比重显著上升。”某校高二（5）班同学在学习会议的基础上，决定围绕“生态文明”这一主题开展研究性学习。在研究过程中，同学们收集到下面三则材料：

材料一：我国的资源储量和利用情况

材料二：某地积极倡导循环经济，如他们创造了秸秆喂牛----牛粪制沼气-----粪渣肥田的生产模式，如图：

材料三：在全球变暖的严峻形势下，“低碳经济”这一新概念应运而生。低碳经济是以低能耗、低污染为基础的经济模式。其实质是能源高效利用、清洁能源开发、追求绿色GDP的问题。其核心是能源节约和减排技术的创新，和制度创新以及人类生存发展观念的根本性转变。请回答：

（1）假如你是该班学生，请你结合材料一，说明确定该研究主题的理论依据和意义。

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（2）请你说明材料二所倡导的资源利用方式蕴含着什么哲学道理。

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（3）结合材料三，请从唯物辩证法的发展的观点谈谈你对推进节能降耗、低碳生活的建议。

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城市规划组织编制和审批管理是政府( )的体现。

A．立法

B．意志

C．组织

D．动态

The following questions present a sentence, part of which or all of which is underlined. Beneath the sentence, you will find five ways of phrasing the underlined part. The first of these repeats the original; the other four are different. If you think the original is best, choose the first answer; otherwise choose one of the others.

These questions test correctness and effectiveness of expression. In choosing your answer, follow the requirements of standard written English; that is, pay attention to grammar, choice of words, and sentence construction. Choose the answer that produces the most effective sentence; this answer should be clear and exact, without awkwardness, ambiguity, redundancy, or grammatical error.

Noted for its tenacity and courage, the English bulldog, having originally been bred for the brutal sport of bull-baiting, but now is cherished as a loyal animal companion.（）

A. the English bulldog, having originally been bred for the brutal sport of bull-baiting, but now is cherished

B. English bulldogs were originally bred for the brutal sport of bull-baiting, but they are now cherished

C. English bulldogs were originally bred to bait bulls in a brutal sport, but it is now cherished

D. the English bulldog was originally bred for the brutal sport of bull-baiting, but it is now cherished

E. the English bulldog, originally bred to bait bulls for a brutal sport, is now being cherished

什么是“中药”

A．中 * * 应用的药物

B．以中医理论为指导应用的药物

C．以天然植物为来源的药物

D．中医用于治疗疾病的药物

E．以上都不是

在对阀门的阀件进行外观检视时，逐个查看阀件上的（）的质量。

A.手柄

B.零件

C.密封填料

D.密封面