《人民警察法》规定，具有( )以上文化程度的公民可以担任人民警察。A．小学毕业 B

感染性心内膜炎最常受累部位是（）

A.心脏瓣膜

B.大动脉壁内膜

C.心内膜

D.腱索

E.房室间隔缺损部位

阅读下列材料（12分）

世博会被誉为“经济科技和文化届的奥林匹克盛会”。2010年，上海世博会的主题主题是“城市，让生活更美好！”

材料一  1851年伦敦举办世界第一届工业博览会。在博览会期间，有630万人参观，展示出现代工业发展和无限想象力。

材料二 世界博览会关注人类面临的共同问题，通过完整展现事物发展的过程，探索解决问题的途径，给人们以深刻的启迪。1958年在比利时布鲁塞尔举行的二战后第一个世博会。

请回答：

（1）根据材料一并结合所学知识，概述1851年英国能够举办博览会的政治、经济条件。（4分）

（2）据材料和所学知识，1958年世博会的主题及用意应是（把所选题号写出即可）（2分）

A．“城市，让生活更美好”——揭示人类已经进入城市化时代

B．“人类、自然、科技，蓬勃发展的全新世界”——倡导可持续发展和再利用理念

C．“交通与通讯，人类的发展和未来”，体现人类已经步入信息时代

D．“科学、文明和人性”——用科学进步促进人类和谐发展（3）如果上海世博会设有“中国古代城市发展展台”，请您为宋代城市设计解说词。（6分）

根据《火灾报警控制器》（GB4717-2005）技术标准，关于火灾报警控制器电源的要求，下列说法正确的是（）

A.主电源断电时，能自动转换到备用电源

B.主电源恢复时，不能自动转换到主电源

C.主电源应有过流保护措施

D.主、备电源的转换不应使控制器产生误动作

关于非阵发性心动过速的描述不正确的是（）

A.心动过速频率与窦性心律频率相近

B.易发生干扰性房室脱节

C.易出现各种融合波

D.易发生夺获心搏

E.多发生在无器质性心脏病患者

Tim Richter and his wife, Linda, had taught for over 30 years near Buffalo, New York—he in computers, she in special education. "Teaching means everything to us", Tim would say. In April 1998, he learned he would need a heart operation. It was the kind of news that leads to some serious thinking about life’s purpose.
Not long after the surgery, Tim saw a brochure describing Imagination Library, a program started by Doily Patron’s foundation (基金会) that mailed a book every month to children from birth to age five in the singer’s home town of Sevier, Tennessee. "I thought, maybe Linda and I could do something like this when we retire," Tim recalls. He placed the brochure on his desk, "as a reminder."
Five years later, now retired and with that brochure still on the desk, Tim clicked on imagination library. The program had been opened up to partners who could take advantage of book and postage discounts.
The quality of the books was of great concern to the Richters. Rather than sign up online, they went to Dollywood for a look-see. "We didn’t want to give the children rubbish," says Linda. The books-reviewed each year by teachers, literacy specialists and Dollywood board members-included classics such as Ezra Jack. Keats’s The Snowy Day and newer books like Anna Dewdney’s Llama series.
Satisfied, the couple set up the Richter Family Foundation and got to work. Since 2004, they have shipped more than 12,200 books to preschoolers in their area. Megan Williams, a mother of four, is more than appreciative "This program introduces us to books I’ve never heard of."
The Richters spend about $400 a month sending hooks to 200 children. "Some people sit there and wait to die," says Tim. "Others get as busy as they can in the time they have left.\

According to the text, Dollly Parton is ______.

A. a well-known surgeon

B. a mother of a four-year-old
C. a singer born in Tennessee
D. a computer programmer