人民警察的( )，是指人民警察在依法履行职务活动中所遵循的道德原则和道德规范。A．

记账凭证所附的原始凭证数量过多时，也可以单独装订保管，但应在其封面及有关记账凭证上加注说明。( )

根据短文内容，从短文后的选项中选出能填人空白处的最佳选项。选项中有两项为多余选项。

Carl Rowan was born in 1925 in the southern city of Ravenscroft, Tennessee. His family was very poor.   小题1: 

Growing up, Carl had very little hope for any change. There were not many jobs for blacks in the South.   小题2:  Racial tensions were high. Laws were enforced to keep blacks and white separate.

It was a teacher who urged Carl to make something of himself.   小题3:  She urged him to write as much as possible. She would even get books for him because blacks were banned from public libraries.

Carl entered Tennessee State College in 1942. Carl Rowan did so well in college that he was chosen by the United States navy to become one of the first fifteen black navy officers. In 1948, Carl Rowan became a reporter. He was one of the first black reporters to write for a major daily newspaper. As a young reporter, he covered racial tensions in the South of the USA and the war in the Middle East. He also reported from Europe, India and other parts of Asia.   小题4:  In 1987, Carl Rowan created a program called "Project Excellence", which rewards black students who do well in school.

Carl Rowan died on September 23, 2000, in Washington, D.C. During the last years of his life, he suffered from diabetes and heart problems.   小题5: He worked until the end of his life.

A．The schools were not good.

B．He won several major reporting awards.

C．He said that experience changed his life.

D．But he never let bad things slow him down.E. Bessie Taylor Gwynn taught him to believe he could be a poet or a writer.

F. The Rowan family had no electricity, no running water, no telephone and no radio.

G. The program provided millions of dollars to help African-American students for college.

在护理程序中，下列关于评价与其他步骤的关系，错误的是（）

A.评价相当于护理程序系统中的反馈

B.通过评价护理程序成为一个间断的整体

C.评估是评价的基础

D.只有护理目标制定得合理，才能得出正确的评价

E.通过评价，护理程序成为一个连续的过程

中国登山协会业余登山队于2003年5月21日成功登上珠穆朗玛峰．登山队必备的物品之一是氧气瓶，此时氧气的作用是______．氧气与体内的葡萄糖（化学式为C₆H₁₂O₆）反应生成二氧化碳和水，提供人体活动所需的能量．写出该反应的符号表达式：______；燃料燃烧也需要氧气，这是利用了氧气的______性质．

如何打开“块编写选项板”窗口（）。

A.“工具”菜单→“块编写选项板”

B.从块编辑器中打开

C.命令行输入：BAUTHORPALETTE

D.命令行输入：BEDIT