梯形的面积一定，它的上底和下底的和与高成反比例．______．

阅读下面短文，并根据短文内容完成下列各题。

Should the color be white or black? Or perhaps navy blue! Well, choosing the right graduation dress for middle school students can be a little difficult at times. Here are some ideas for graduation dress for middle school students.

For many students, middle school graduation marks a big change in their lives. This is a step that takes students away from junior high school but towards the elementary level before senior high school. Compared to elementary (初级的) school, middle school means more lessons and more classes, but of course, students can also see it as an opportunity to make new friends.

Well, it is no wonder that the graduation day of a middle school is often planned formally. Although this occasion is not considered to be really formal like a high school graduation, it is still celebrated in many ways. Besides, it is also considered to be a very important part of someone's life.

Many schools often have middle school graduation parties. Well, the question that often arises in the minds of young students is about the right graduation dress for themselves. Long flowing dress with caps are commonly seen. Students should always stick to a common graduation dress that creates uniformity (统一) among all. The dress can be royal blue, black or even golden. If they seem too formal for the party, you can even plan for a common color for all the students. For example, white shirts with black pants or skirts can serve the needs of such a special occasion.

Whether the graduation party is simple or great, the graduation dress for middle school students should be planned accordingly. The main idea would be to accept the success of the students and celebrate with family and friends.

小题1:What does the text mainly talk about? (no more than 10 words)

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小题2:What does middle school mean to students compared to elementary school? (no more than l2 words)

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小题3:Please explain the underlined word “arises’’ in Paragraph 4 in English. (no more than 3 words)

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小题4:What is the common graduation dress like? (no more than 9 words)

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小题5:What is the purpose of a graduation party? (no more than l5 words)

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不属于工作流程组织的是（）。

A．物质流程组织

B．管理工作流程组织

C．信息处理工作流程组织

D．项目流程组织

按照中央《关于深化体制机制改革加快实施创新驱动发展战略的若干意见》，力争到2020年在科技体制改革的重要领域和关键环节上取得突破性成果，基本建立国家创新体系。关于国家创新体系，下列说法正确的是（）。

A.符合科技创新发展规律

B.适应创新驱动发展战略要求

C.符合社会主义市场经济规律

D.国家创新体系建立就意味着我们实现全面建成小康社会的理想

依据GB/T22080，信息系统在开发时应考虑信息安全要求，这包括（）

A.管理人员应提醒使用者在使用应用系统时注意确认输入输出

B.质量人员介入验证输入输出数据

C.应用系统在设计时考虑对输入数据、内部处理和输出数据进行确认的措施

D.在用户须知中增加“提醒”或"警告"内容

下列可引起脉压增大的疾病是（）

A.动脉导管未闭

B.主动脉瓣狭窄

C.甲状腺功能减退

D.缩窄性心包炎

E.心力衰竭