James Martin指出，以下因素Ⅰ．程序的适应性差 Ⅱ．数据格_爱下问搜题

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问题单项选择题

James Martin指出，以下因素Ⅰ．程序的适应性差 Ⅱ．数据格式的不一致，导致数据的共享性差Ⅲ．系统开发方法选择不当 Ⅳ．开发工具选择不当哪个(些) 是造成数据处理牛产率低的主要原因

A．Ⅰ、Ⅱ和Ⅲ

B．Ⅰ、Ⅱ和Ⅳ

C．Ⅰ、Ⅲ和Ⅳ

D．全部

答案

参考答案：D

解析： James Martin指出，造成数据处理生产率低的主要原因有以下几点：①程序的适应性差。②数据格式的不一致，导致数据的共享性差。③系统开发方法选择不当。④开发工具选择不当。

单项选择题 B1型题

细菌繁殖数与死亡数大致相等（）

A.迟缓期

B.对数期

C.黑暗期

D.稳定期

E.衰亡期

阅读理解

Su Hua is studying at Cambridge, UK. She has bought a bicycle and is worried about security（安全）. Her friend, Kate, found this article and sent it to her.

Introduction
A lot of crime is against bicycles. About 150,000 bicycles are stolen every year and most are never found. You can prevent this happening by following a few careful steps.
Basic Security
Do not leave your bicycle in out-of-the-way places. Always lock your bicycle when you leave. Secure it to lampposts or trees. Take off smaller parts and take them with you, for example lights and saddles（车座）.
Locks
Get a good lock. There are many different types in the shops. Buy one that has been tested against attack. Ask for a recommendation from a bike shop.
Marking
Security marking your bike can act as a deterrent to a thief. It can also help the police find your bicycle. It should be clearly written and include your postcode and your house or flat number. This will provide a simple way to identify your bicycle.
Registration
There are a number of companies who will security mark your bicycle for you. They will then put your registration number and personal details on their computer database. Then if your bicycle is found it will be easy to contact you.
Finally
Keep a record of the bicycle yourself: its make, model and registration number. You can even take a photograph of it. This will prove the bicycle belongs to you.

小题1:Which part of the text gives you information on how to lock up your bicycle when you leave it?

C．Registration.

D．Basic Security.

小题2:The underlined phrase “act as a deterrent to a thief” means .

A．help you recognize your bike

B．help the police find your bicycle

C．stop someone stealing your bicycle

D．stop you worrying about your bike

小题3:The article advises you to keep a record of your bicycle .

A．in the bike shop and your computer

B．in a police station and a security company

C．in a security company and your university

D．by yourself and in a security company

小题4:The main purpose of this article is .

A．to tell you what to do if your bicycle is stolen

B．to suggest ways of keeping your bicycle safe

C．to give you advice on where to buy a good lock

D．to say why you shouldn’t keep your bicycle in a quiet place