The seven segment arrangement for numerical(数字的) display on consoles, test meters and other applications can be either______.

A．UJT or BJT

B．BCD or OCD

C．JFET or IGFET

D．LED or LCD

[单选题]（） or air venting arrangement is fitted to the fuel supply passage.A . An air pumpB . A compressorC . A fuel pumpD . A priming

[名词解释] segment段

[单选题]［A］ celebration ［B］ arrangement［C］ feast ［D］ eve

[单选题]Must I be home before seven?_________。A.No, you needn'tB.No, you mustn'tC.Y

[单选题]A．ccording to Carol Goman, why seven seconds are all you need to leave a lasting first impression?A．That’s the time your nerves can get controlled.B．That’s the time you need to introduce yourself.C．That’s the time your traits can grab attention.D．Tha

[单选题]32． We _______ at seven o-clock in the morning．A． get upB． go to schoolC． go homeD． go to bed

[单选题]22．Peter _________at seven on Sundays．A． gets upB． goes to schoolC． has breakfastD． goes to bed

[单选题]B．H．aving a husband means an extra seven hours of housework each week for women, according to a new study. For men, getting married saves an hour of housework a week. “It’s a well-known pattern,” said lead researcher Frank Stafford at University of M

[单选题]We tried to find a table for seven，but they were all ．A．givenawayB．keptawayC．takenupD．usedup

[问答题] 什么是Segment duplication？