宽带城域网的核心与关键设备必须是（）。A．电信级 B．用户级 C．地方级 D．国家级

小莉的爸爸买了2010年7月份去上海看世博会的一张门票，她和哥哥两人都很想去观看，可门票只有一张，读九年级的哥哥想了一个办法，拿了八张扑克牌，将数字为1，2，3，5的四张牌给小莉，将数字为4，6，7，8的四张牌留给自己，并按如下游戏规则进行：小莉和哥哥从各自的四张牌中随机抽出一张，然后将抽出的两张扑克牌数字相加，如果和为偶数，则小莉去；如果和为奇数，则哥哥去。

（1）请用数状图或列表的方法求小莉去上海看世博会的概率；

（2）哥哥设计的游戏规则公平吗？若公平，请说明理由；若不公平，请你设计一种公平的游戏规则。

Human beings are the most intelligent of all animals because we are gifted with the ability to think and reason logically. Scientists and even common people with special intelligence have made a lot of inventions and contributions to modern lifestyle in the past. “Houses” have been the most popular area for discoveries and inventions in the past and even now.

Many household items have been the result of inventions of people who desired better functioning of the existent products. Every individual has intelligence and if it is used properly for the right purpose it leads to invention of a new tool or device. Many new household inventions are made almost every day and there are specific companies, which particularly keep a record of all these inventions.

A lot of inventions have been made recently in the household field. These products are patented(专利的)and have trade mark licenses(许可). The patented sliding cinch is a very simple but effective method to prevent shoulder stress and injury for those who work before computers all day long. Vanity PC is a type of computer furniture that specifically hides all the computer wires and keeps a clean and good look. All the outdoor dust, mud and snow can be kept out of the house by installing(安装)the dirt drain(排水管)at the entrance of the door. Another important invention is the automatic toilet night-light, in which a small light starts when the lid of the toilet seat is opened and closes as soon as the lid is closed.

These are some of the new household inventions invented mostly by common people. Thus, a variety of new household items are invented every day, which helps in a better functioning of household chores and in a more useful manner.

小题1:The first paragraph tells us the importance of _________.

A．the particular changes in houses

B．human beings’ role in making inventions

C．the advantages of modern lifestyle

D．the difference between human beings and animals 小题2:What plays the most important role in causing people to invent new things?

A．To earn more money and gain awards.

B．To be recorded by some special companies.

C．To improve the present living conditions.

D．To meet the new demands of new science.小题3:It can be inferred that the sliding cinch is used to _________.

A．prevent your shoulder from being over-pressured

B．keep your shoulder safe and sound when you are in an accident or an operation

C．help you practice your shoulder more often and reduce shoulder pains

D．cover your shoulder and make it stronger to resist the outside strike小题4:Common people can also make good inventions because __________.

A．wisdom and inspiration sometimes come from everyday life

B．some inventions are easy to be made and can be mastered by common people

C．common people have a strong desire to do something for science research

D．success is often connected with hardship and bitter experience of common people小题5:The passage is mainly talking about _________.

A．the correct use of household facilities

B．different ideas about household inventions

C．the history of household inventions

D．household inventions and their influence

患者，男，35岁。3天前遇雨淋透衣衫。昨起畏寒高热，咳嗽，以干咳为主，偶见带铁锈色黄痰，伴右侧胸痛就诊。体检：急性病容，体温38.9℃。右上肺叩实，闻及支气管呼吸音。心率102次/分，律齐，心音强。

该病例最可能的典型X线征象是（）

A.大叶实变

B.支气管周围炎

C.跨叶段的肺浸润

D.散在多发性浸润

E.肺叶浸润伴空洞形成

某用人单位招聘秘书条件是：年龄小于40岁，女性，学历专科或本科。则能够正确表示这个条件的表达式是（）

A.年龄＜40Or性别="女"Or（学历="专科"Or学历="本科"）

B.年龄＜40And性别="女"And（学历="专科"And学历="本科"）

C.年龄＜40and性别="女"and（学历="专科"or学历="本科"）

D.年龄＜40Or性别="女"And（学历="专科"And学历="本科"）

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