To accommodate the longest path allowed by 802.3,the slot time has been set to 512 bit times,or

A．0.512μs

B．5.12μs

C．51.2μs

D．512μs

[单选题]To accommodate the longest path allowed by 802．3，the slot time has been set to 512 bitt times，or (75) ．(75) A．521μsB．5．12μsC．0．512μsD．512μs

[单选题]To accommodate the longest path allowed by 802.3, the slot time has been set to 512 bit times, or(75).A．521μsB．5.12μsC．0.512μsD．512μs

[单选题]The officer allowed ______.A． the students to fly the plane all the timeB． all students to fly the planeC． the students who were not frightened to fly on their ownD． some students to fly a little while

[单选题]The longest river in Britain is ( ).A.the MerseyB.the SevemC.the ThamesD.th

[单选题]_______________[A] allowed [B] preached [C] granted [D] funded

[单选题]Which activity lasts the longest ?A．F．ashion ShowB． Book ClubC． PicnicD． Camera Club

[单选题]H．ooks ________ allowed for discharging the rice bagsA．areB．are notC．is notD．is

[单选题]5． Passengers are not allowed ．A． smokingB． to smokeC． smokedD． smokes

[单选题]Which American university is with the longest history？A.YaleB.OxfordC.Harva

[主观题]F．or this part, you are allowed 30 minutes to write an essay about the impact of theinformation explosion by referring to the saying "A wealth of information creates apoverty of attention. " You can give examples to illustrate your point and then e