Theoutlineofrooftopsandchimneys________againstthepalesky.
D
A 离开 B 注意、留神 C 提供 D 显眼、突出
Directions:TranslatethefollowingparagraphintoChinese.
Cyberspace,ofcourse.isbiggerthanatelephonecall.Itencompassesthemillionsofpersonalcomputersconnectedbymodems-viathetelephonesystem-tocommercialonlineservices,aswellasthemillionsmorewithhigh-speedlinkstolocalareanetworks,officeE-mailsystemsandtheInternet.Itincludestherapidlyexpandingwirelessservices:microwavetowersthatcarrygreatquantitiesofcellularphonesanddatatraffic;communicationssatellitesstrunglikebeadsinthegeosynchronousorbit;low-flyingsatellitesthatwillsooncrisscrosstheglobelikeangrybees,connectingfolkstoofar–flungortoomuchonthegotobetetheredbywires.Somedayevenourtelevisionsetsmaybepartofcyberspace,transformedintointeractive“teleputers-calledfull-servicenetworksliketheonesseveralcable-TV”bysocompanies(includingTimeWarner)arebuildingalongtheoldcablelines,usingfiberopticsandhigh-speedswitches.
Robotsdifferfromautomaticmachines________aftercompletionofonespecifictask，theycanbereprogrammedbyacomputertodoanotherone.