生产决策涉及的问题虽然很多，但是它们的最终目的是一致的，即取得最佳的经济效益和（）

阅读材料，回答问题。

生民之初，本无所谓君臣，则皆民也。民不能相治，亦不暇治，于是共举一民为君。夫日共举乏，则非君择民，而民择君也。……夫日共举之，则且必可共废之。——谭嗣同《仁学》

（1）材料认为“民”与“君”是什么关系？这种思想与哪位西方启蒙思想家的主张最为相似？

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（2）结合所学知识，说明这种思想在辛亥革命中是如何得到体现的。

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为什么一段时间后，培养水稻的培养液中Mg²⁺、Ca²⁺浓度反而升高了？

阅读下列应用文及相关信息，并按照要求匹配信息。请在答题卡上将对应题号的相应选项字母涂黑。（若选择E，请涂AB；若选择F，请涂CD）。

请阅读某书店各书架的相关信息：

A. Section One: Education---Has a huge range of textbooks and supplementary material covering all the major high school and university subjects. Buyers showing their student cards receive a 15% discount on all purchases from this section.

B. Section Three: Humor Section --- A great selection of joke books, funny stories and wonderful real life adventures that are sure to keep the reader laughing for days.

C. Section Five: Biography --- Find out about the lives of your favorite sports stars, singers, actors and other famous people from today and the past. Learn what they had to go through to become successful and the effect it had on their lives.

D. Section One: Do-It-Yourself Section -- On these shelves customers can find the latest manuals on how to do everything from building a computer to constructing your own home.

E. Section Two: Sports & Leisure Section --- Stocks a large range of the latest books on your favorite sporting teams and events. Pick up the perfect Father's Day present here.

F. Section Four: Business & Finance --- Students, business people or anyone interested in the world of commerce are certain to find the book they are after here. We have special subsection for international trade and e-commerce.

阅读下列关于各书籍的信息，匹配书籍与其所应放置的书架：

小题1:The Smartest Guys in the Room: The Amazing Rise and Scandalous Fall of Enron --- by Bethany McLean and Peter Elkind --- As the title suggests the authors cover the rise of the American electricity company to become one of the 10 richest companies in the world and its spectacular fall into dishonor and bankruptcy. A perfect guide on what not to do in business.

小题2:The Delighted Eye --- by Prof. John Nash --- The 1994 Nobel Prize Winner for Economics, whose ideas have influenced a generation of the world's greatest economic minds, tells his life story: growing up in a small town in America, becoming one of America's most influential mathematicians and his battles with mental illness.

小题3:Ready Made--- How to Make (Almost) Everything --- by Shoshanna Berger and Grace Hawthorne --- beautifully written with great factual information. The theme behind this book is re-use, re-claim, re-cycle and there are many detailed easy-to-do projects for the reader to try such as making a photo frame from a book cover or a pot for your plants from plastic shopping bags.

小题4:Mother Tongue: The English Language --- by Bill Bryson --- Bryson's book is a journey through the history and different aspects of the English language, one that is both informative and hugely entertaining. As with most of Bryson's books, fun comes before facts and readers will be left with a smile on their faces.

小题5:Into Thin Air --- by John Krakauer --- is a riveting first-hand account of a disastrous race to the top of Mount Everest. In March 1996, Outside magazine sent veteran journalist and experienced climber John Krakauer to join the team led by the famous Everest guide Rob Hall. Despite the expertise of Hall and the other leaders, by the end of the race eight people were dead.

药物出现副作用的主要原因是（）。

A.药物的选择性低

B.药物的剂量过大

C.药物的代谢速度慢

D.药物排泄过慢

E.病人对药物的敏感性高

男，25岁，一周前右足底被铁钉刺伤，未作清创处理。近日，感头痛、咬肌紧张酸胀，诊断为破伤风，其发病机制中错误的是（）。

A．破伤风杆菌产生的内毒素引起症状

B．痉挛毒素是引起症状的主要毒素

C．溶血毒素引起组织局部坏死和心肌损害

D．破伤风是一种毒血症

E．毒素也可影响交感神经