1、电脑网络(1)2008年潮州二模The Internet is an amazing information resource.Students，teachers，and researchers use it as 16 _ investigative tool.Journalists use it to find information for stories.Doctors use it to learn more about unfamiliar diseases and the 17 _(late)medical development.an latest People all 18_
2、 the world use it to connect with individuals from other countries and cultures.However,19_ there are many positive developments 20 _(associate)with the Internet，there are also certain fears and concerns.21 _ concern relates to a lack of control over 22 _ appears on the Internet.over while associate
3、d One what With television and radio there are editors to check the accuracy or appropriateness 23 _ the content of programs，and with television there are 24 _(restrict)on what kinds of programs can 25 _(broadcast)and at what time of the day.With the Internet，parents cannot check a published guide t
4、o determine what is suitable for their children to see.of restrictions be broadcast(ed)(2)2008年惠州三模Nowadays，millions of lonely singles are now going online instead.16 _ World Wide Web is quickly becoming the worlds most popular matchmaker(媒人).The Singles are flocking(涌向)to the Internet 17 _(main)bec
5、ause their busy lifestyles leave them little time to look 18_ a better half.Using dating sites is quick and convenient.Many singles say the regular dating scene 19 _(lead)them from one bad experience to 20 _ and are ready to try something else.mainly for has led another Dating sites also make 21 _ e
6、asy to avoid someone 22 _ you are not interested in.In the real world，however，23_ (ignore)someone you dont like can be difficult.it who/whom ignoring 24 _ all the advantages，online dating also presents its own set of problems.People arent always those who they declare to be in their online 25_ (desc
7、ribe).Safety is another concern.You are just likely to find a criminal online as you are Mr.or Miss Right.Despite description(3)2009年江门一模 “When a customer enter my store，forget me.He is 16_ king.”said John Wanamaker，the boss of the worlds first department store.Convincing 17_ this slogan was，in trut
8、h the shopper was cheated out of the crown.a/the/my as/though Although the manufacturing efficiency increased the variety of goods and lowered prices，people still relied on advertisements which spoke to an audience 18_ (restrict)to just a few radio or television channels or a limited number of publi
9、cations.restricted Now media choice has exploded，and consumers select 19_ they want from a far greater variety of sources-especially with a few clicks of a computer mouse.Thanks to the Internet，the consumer is finally seizing power.what As our survey shows，consumer power has great implications for c
10、ompanies，because 20 _ is changing the way the world shop.Many firms already claim to be“customer-driven”or“consumer-centered”.Now their claims will 21 _(test)as never before.it be tested Taking advantage of 22 _(shopper)ignorance will no longer be possible:people will know-and soon tell 23 _ even th
11、ose 24_ the Internet-that prices in the next town are 25 _(cheap).The Internet is working wonders in raising living standards.shoppers others without cheaper(4)2009版命题揭秘 Computer companies keep competing to build smaller devices.They are finding new ways to put data into 16 _(little)space on a memor
12、y chip.Computers have been made smaller to fit on to the desk and smaller to our laps and again smaller 17_ our shirt pockets.Now，Stuart S.P.Parkin is looking into 18 _new idea in an IBM lab.less into aIf it proves 19 _(success)，electronic devices could hold 10 to 100 times the data in the same amou
13、nt of space.That means the iPod 20 _ can hold up to 200 hours of video could store every single TV program 21_ (broadcast)during a week.At present the flash drives(闪存卡)business 22_ (grow)quickly.successful that/which broadcast is growing A single chip is expected to reach about 50 gigabytes in the n
14、ext five years.However，flash memory has a problem.23 _ it can read data quickly，it is very slow at storing 24_.That has led the industry on a hunt for new storage technologies.Scientists say Parkins new computer memory could begin to replace flash memory 25 _ three to five years.Although/Though it i
15、n(5)2009版命题揭秘 Apple Computer Inc.announced a callback of 1.8 million lithiumionnotebook batteries could cause a fire risk，a move 16_ followed Dells similar callback just ten days ago.In its callback 17_ (announce)，Apple said it had received nine reports of lithiumion battery packs overheating.that/w
16、hich announcement 18_ company urged users to stop using the batteries and contact Apple Customer Service.The computer maker 19 _(replace)the batteries free of charge.About 1.1 million of the battery packs are 20 _ use in the US，the remaining 700，000 sold internationally.The recall is the second 21_(
17、big)in the US history involving electronics or computers.The will replace in biggest Both Dell and Apple problems were caused by tiny pieces of metal floating 22_ the battery.23 _the batteries are being used or recharged，they will heat up and these particles can start moving around，potentially 24_(cause)short circuit(短路).inside When causing This can cause the battery to explode or catch fire.According to both Apple and Dell，the callback will cost 25 _ between 172 and 278 million dollars and not affect their earnings.them
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