信息系统开性研究,一般涉及经济、技术和操作可行性,而进行可行性研究的基本依据则是用户

题型:单项选择题

问题:

信息系统开性研究,一般涉及经济、技术和操作可行性,而进行可行性研究的基本依据则是用户提出的软件( )。

A.系统质量

B.系统目标

C.系统功能

D.系统性能

考点:计算机等级考试信息管理技术三级信息管理技术笔试17
题型:单项选择题

患者女,52岁,因胸闷、气短及下肢水肿2年,阵发性心悸1年而就诊。2年前经超声和心电图等检查诊断为风湿性心脏病,二尖瓣狭窄并关闭不全及主动脉瓣关闭不全,心房颤动,左心房、左心室增大,心功能Ⅲ级。1年前接受了主动脉瓣和二尖瓣机械瓣置换术后一直口服可达龙、华法林。近3个月再发心悸,夜间阵发性呼吸困难伴下肢水肿。查体:血压120/70mmHg,HR150次/min。

该患者应该诊断为()(提示:心电图显示Ⅱ、Ⅲ、aVF导联可见向下的锯齿波,而V1锯齿波则向上。超声心动图提示左心房前后径45mm,左心室舒张期末径60mm,机械瓣未见瓣周漏。)

A.房性心动过速

B.心房颤动

C.Ⅰ型心房扑动

D.室上性心动过速

E.室性心动过速

题型:单项选择题

Safety and Security Procedures

Your safety and the security of your personal property are of the primary concern to those of us who welcome you as our guest. We urge you to take advantage of the following suggestions.

YOUR VEHICLE

Lock your vehicle and do not leave money or valuable items inside. We are not responsible for their loss.

TRAVELING

Be observant (机警) when sightseeing or traveling. Stay in well-lit and heavily traveled areas. Don’t display large amounts of cash.

GUEST ROOM SECURITY

For additional security use the deadbolt (插锁) provided on your door and make sure the windows are locked. As an additional precaution (预防措施), please secure the secondary locks provided. Do not admit anyone to your room without first making identification. A one-way viewer is provided in your door to assist with identification(识别). If there is any doubt about the person’s identify, please contact the Front Desk.

SAFETY BOXES

Do not leave money or valuables in your room or vehicle. We provide free safety boxes for your use. Hotel is not responsible for items left in room valued over$200.

KEYS

Safeguard your key. Please do not leave it in the door. Do not give your key to others or leave it unattended. Please leave your key at the Front Desk when you check out.

REPORTING

Please report any suspicious activity, or safety concerns to management.

FIR

Please familiarize yourself with the nearest fire exists. Report fire or smoke to the hotel operator. In the unlikely event of a fire, please move quickly and calmly to the nearest safe exit and leave the building. Avoid the use of elevator.

60. The suggestions are most probably from_____.

A. a hotel manager            B. a police officer

C. an experienced traveler      D. a tour guide

61. Which of the following is TRUE?

A. It is advised to travel to places where there are few people.

B. The hotel is not responsible for anything you lose.

C. Don’t report to the manager unless you are sure something is going wrong.

D. You’d better use the deadbolt and the secondary locks for safety.

62. If you feel doubtful about a stranger who knocks at the door, you should____.

A. let the person in after you have got his/her name

B. open the door to check the person’s ID card

C. call the Front Desk to make sure

D. contact the local police for assistance

63. What does the underlined part “ In the unlikely event of a fire” mean?

A. In case a fire happens, though it is not very possible.

B. If a fire happens when some big events are taking place.

C. In case a fire happens in a public building.

D. If a fire breaks out and it is getting out of control.

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市场信息属于()。

A.动态信息

B.静态信息

C.预测信息

D.比较信息

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简述水在烹调中的作用。

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钢结构安装中主体结构的整体垂直度有何要求?整体平面度有何要求?

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