[单项选择]（）computer is a personal computer whose hardware is capable of using any or all 0f the following media in a program：audio，text，graphics，video and animation．
A. database
B. multimedia
C. network
D. mainframes

[单项选择]A______computer is a personal computer whose hardware is capable of using any or all of the following media in a program：audio，text，graphics，video and animation.
A. database
B. multimedia
C. network
D. mainframes

[单项选择]Which tablet computer’s hardware inside is more powerful
A. The CNET Kum.
B. The Google Nexus 7.
C. The Apple iPad mini

[单项选择]MPC(Multimedia Personal Computer)与PC(Personal Computer)的主要区别是增加了 。
A. 存储信息的实体
B. 视频和音频信息的处理能力
C. 光驱和声卡
D. 大容量的磁介质和光介质

[填空题]Many college students today own personal computer that cost anywhere from $1,000 to perhaps %5,000 or more. (26)_____, it is not uncommon for them to purchase (27)_____costing another several hundred dollars. Twenty years ago, computers were (28) _____, but they were very large and extremely expensive. Few, if any,(29) _____ purchased computers for home use. Over the years, the price ofthe “guts” of a computer---its memory—has declined to less than a thousandth of the price per unit of memory that prevailed twenty years ago. This is the main reason why computers cost so much less today than they used to. Moreover, (30) ______improvements have made it possible to (31) _____memory circuitry that is small enough to fit into the portable personal computers that many of us own and use. (32)_____, as the price of computation has declined the average consumer and business have spent more on purchasing computers. (33)_____,improved agricultural technology,hybrid(杂交)seeds,(34)______animal

[单项选择]The number of personal computer users will be at least fivefold by the year 2000.
A. 到2000年个人计算机的用户数将至少增加四倍。
B. 到2000年个人计算机的用户数将至少增加五倍。
C. 到2000年个人计算机的用户数将至少是五折。
D. 到2000年个人计算机的用户数将至少是现在的四倍。

[单项选择]You'd better ______ your computer before you use it again.


A. see
B. check
C. begin

[单项选择]The concept of personal choice concerning health is important because ______.


A. personal health choices help cure most illnesses
B. it helps raise the level of our medical knowledge
C. it is essential to personal freedom in American society
D. wrong decisions could lead to poor health

[单项选择]Mother asked me if I knew whose coat


A. it was
B. was it
C. it is

[单项选择]The article is about a couple whose married life is happier because ______.