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问题 单项选择题

当前数据库技术的发展已形成各种类型的数据库应用技术，下述属于这种发展推动力 的是：_____。Ⅰ. 应用的驱动 Ⅱ. 多种技术与数据库技术的结合Ⅲ. 关系数据库的研究基础

A．Ⅰ

B．Ⅱ

C．Ⅰ和Ⅱ

D．Ⅰ和Ⅱ和Ⅲ

答案

参考答案：D

解析：数据库技术的发展是应用实际的需要，关系型数据库的广泛应用和发展，面向对象技术等与数据库 技术的结合而迅速发展的。

阅读理解

阅读理解。
阅读下列应用文及相关信息，并按照要求匹配信息。

首先,请阅读以下手机游戏介绍:
AAngry Poo Game
Are you looking for a free game with amazing graphics, 100's of
levels, and completely original? Well then, Angry Poo may not be
for you! This is a free game that might make you laugh for a few
minutes. Laugh your head off at the hilarious sound effects.
BBingo
The classic bingo game with balls drawn from a
basket, a lightboard showing the balls drawn to date and three cards on which
you mark your squares as the numbers are drawn. It may not be the
prettiest bingo game you can play, but it is the most functional!
CCountry Guess
A simple game where you are given hints about a country's name
and you have to guess what the country is. Test you geography
skills. It's a wonderful game that helps your learning of geography
and entertains you at the same time while you're playing.
DCrazy Taxi
You're a crazy cabbie racing against the clock! Swerve to avoid
other cars…or just jump right over them! You must get to the
checkpoint no matter what! It's designed for the lovers of cars, and
it also helps you develop driving skills too!
EAttack of the Flying Goats
In this Adventure Game your mountain town is being attacked by a
seemingly endless number of Flying Goats sticking their tongues
out and wagging them at everyone! You've been recruited to take
on the adventure of holding these creatures back at all costs.
FDeveloper Rescue
The year is 2020. Apple Inc has finally decided to kidnapping the
lead jailbreak developers they have hated for so many years. Upon
learning of Apple's plans you decide to rescue the developers
before Apple can succeed in kidnapping them.
请阅读以下人员信息,然后匹配人员与相关游戏：
     1. Frank wishes to get a game for his new Apple phone. He loves to play those kinds of games
in which his role is a pilot, a brave soldiers or a tough man of other kinds who fight to rescue people
in trouble.
     2. Charlie wants to download a game with different levels of difficulty for his mobile phone. He
wants it for free and hopes that it will bring him lots of laughter. Of course, he wishes it would have
wonderful visual and sound effect.
     3. Eddie is a young man with sporting blood. He likes to do things that can bring him challenges
and adventures. So when it comes to mobile phones games, he definitely wants to get one adventure
games for his phone.
     4. For Brad Green, no games can attract him more than those related to cars. Now he would
love to download a car racing games for his new phone. And of course, he wishes to get one that
can help to improve his driving skills at the same time.
     5. Tony loves to play games with his new cell phone. It seems that nothing can prevent him from
playing those games, his father Mr. Greg has got a new idea instead. He wants to find a game that
could help with Tony's knowledge of geography.
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单项选择题

AN73-AN81代表什么螺栓？（）

A.通用螺栓

B.头部钻孔的发动机螺栓

C.紧公差螺栓

D.内六方螺栓
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