更多"[单选题]10. Jim, the newly elected dir"的相关试题:
[单选题]Harry, who had failed in the final exam, had a great worry________ his mind.
A.on
B.to
C.with
D.at
[多选题]
That has been newly connected to the network. Which protocols were used during the test? (Choose two.)
A. ARP
B. CDP
C. DHCP
D. DNS
E. ICMP
[单选题] She had always had a keen ____ for a really comfortable home.
A. hoping
B. wishes
C. look forward
D. desire
[单选题]Jim is the only one of the staff members who to be promoted.
A. were
B. is
C. are
D. was
[单选题]R[1]的初始值为 5,R[2]=R[1],R[3]=R[1],则 R[1]=R[2]+R[3]结果是( )
A.2
B.5
C.6
D.10
[单选题]氯氟烃类产品，简称CFC，主要包括R11、R12、R113、R114、R115、R500、R502等，由于对臭氧层的破坏作用不大，被《蒙特利尔议定书》列为受限物质。( )
A.A-正确
B.B-错误
[判断题]R717、R22、R134a在相同工況下排气温度由低到高的顺序为R717＞R22＞R134a。( )22.R717的最大压力差为pk-po≤1.6MPa。( )
A.正确
B.错误
[单选题] A: Where is Jim? B: You can find him in is (study). 括号中单词在本句中的意思是什么？
A.学习
B.书房
C.研究
D.实验室
[单选题]62. Jim’s close _____ to his brother made people mistake them for one another.
A.accuracy
B.probability
C.confusion
D.resemblance
[多选题]将R1、R2两个电阻串联，总电阻为R＝（）。R1、R2两个电阻并联，总电阻为R＝（）。
A.A、R1+R2
B.B、R1·R2
C.C、R1·R2/（R1+R2）
D.D、R1+R2/R1·R2
E.E、（R1+R2）/R1·R2
[判断题]R1、R2两电阻并联，R1上分得的电流为I1=IR1/R1+R2。
A.正确
B.错误
[单选题]电阻R1、R2串联后接在直流电路中，若R1=2R2，则R1两端的电压是R2两端电压的(___)。
A.2倍$
B.$4倍$
C.$1/4倍$
D.$1/2倍
[单选题]电阻R1、R2串联后接在直流电路中，若R1=1/2R2，则R1两端的电压是R2两端电压的(___)。
A.2倍
B.4倍
C.1/4倍
D.1/2倍
