对工作分析有参考价值的背景资料有哪些？

阅读理解。

     A survey by baidu.com showed there were 16 million bloggers (写网络日志的人). Xu Jinglei was one

of the first famous people that the website sina.com. invited to open blogs.

     The web log written by Xu Jinglei is now the world's most popular. Xu, an actress-turned -director,

became famous overseas when she won a Best Director Award for the film. A Letter From an Unknown

Woman in 2004.

     Her blog has broken the domestic (国内的) record with more than 10 million visits.

     Xu updates (更新) her blog every other day. But if she feels very good she sometimes posts two or

three articles in a day.

     Visitors leave thousands of messages about each of her articles, praising (赞扬) her open, free writing

style, commenting (评论) on films.

1. Now Xu Jinglei's web log is _________.

A. broken by hacker

B. written by an unknown woman

C. the world's most popular

D. closed by government

2. How many visitors does Xu's blog have?

A. About 16 million.

B. About 36.82 million

C. 2004

D. over 10 million

3. _________ invited Xu Jinglei who was one of the first famous people to open blogs.

A. The website baidu.com

B. The website sina.com

C. The website Yahoo.com

D. The website blog.com

4. From the passage we know that _________.

A. a survey by baidu.com showed there were 16 million bloggers writing in English

B. Xu Jinglei was the only one that the website sina.com invited to open blogs

C. Xu Jinglei always posts one article in a day

D. Visitors leave lots of messages about her articles in her blogs

患者女，15岁，寒战、间歇高热6d。第1天寒战、高热，剧烈头痛、出汗，退热后能活动自如。翌日又同样发作，巩膜轻度黄染，脾肋下2cm，曾服氯喹、伯氨喹，3d后出现酱油样小便，量少，血RBC 20×10¹²/ L，Hb 5g/L，WBC 1.1×10⁹/L，NPN 70mg/dl，血红蛋白尿阳性，哪种诊断可能性大

A．伤寒溶血尿毒综合征

B．恶性疟引起的黑尿热

C．钩体病(黄疸出血型)

D．间日疟服用伯氨喳后引起的黑尿热

E．病毒性感染合并急性溶血性贫血

在认真阅读背景材料的基础上，谈谈对文中“发展经济”与“改善民生”辩证关系的理解。字数300字左右。

土壤中磷的释放

蚕桑优势区域布局在（）

A、渝东北蚕业带

B、渝东南蚕业带

C、渝西蚕业带

D、三峡库区蚕业带