E-Mail is a fast，cheap and convenient way to(72)messages locally and internationally．A．give and getB．put and getC．send and receiveD．get in and get out
E-Mail is a fast，cheap and convenient way to(72)messages locally and internationally．
A．give and get
B．put and get
C．send and receive
D．get in and get out
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The house is very close to the railway station, so it's very () for transport. A、expensiveB、noisyC、convenient
●The major problem with Email is that it is (71) easy to use that people can become (72) with messages (73) they can possibly answer in a day.In addition，mail boxes require some management to (74) messages or archive those that might be required later.Senders don't always know about your Email backlog and often send (75) messages.(71) A．tooB．soC．veryD．much(72) A．fullB．lostC．inundatedD．filled(73) A．more thanB．thanC．thatD．which(74) A．manageB．saveC．backupD．dispose of(75) A．toomanyB．redundantC．longD．trivial
It was not a formal occasion, so we were asked to wear () clothes.A、regularB、informalC、simpleD、cheap
The major problem with E-mail is that it is(71)easy to use that people can become(72)with messages(73)they can possibly answer in a day. In addition, mail boxes require some management to(74)messages or archive those that might be required later. Senders don't always know about your E-mail backlog and often send(75)messages.A．tooB．soC．veryD．much
Oneofthekeydecisionmakingfactorsinaverycompetitiveopportunitywillbecost. CompanycomneedsanaggregaterPerfratingof120.Whatisthebestsolution?() A.Twop557016way1.9MHzmachinesB.Onep559032way1.65MHzmachinesC.Onep559532way1.65MHzmachinesD.Twop557016way1.65MHzmachines
In low-speed network,it is usually adequate to wait for congestion to occur and then react to it by telling the source of packets to slow down.In high-speed networks,this approach often works poorly,because in the（71）between sending the notification and notification arriving at the source,thousands of additional（72）may arrive.In ATM network,a major tool for preventing（73）is（74）control.When a host wants a new virtual（75）,it must describe the traffic to be offered and the service expected.A.pathB.routC.circuitD.way
We ′ll get you informed of the meeting the moment the manager becomes ___________A.accessible B.usefulC.available D.convenient
We'll get you informed of the meeting the moment the manager becomes __________.A.accessibleB.usefulC.availableD.convenient
下面的命令可以实现只能往/var/log/messages里面追加数据，但不能删除的功能。 chattr +a /var/log/messages