更多"[简答题]02-22 06:12:54.265 17609 17609"的相关试题:
[单选题](468775)图示节点中,I1=1A,I2=I3=3A,则I4等于( )。((1.0分)
A.1A
B.0A
C.-1A
D.3A
[判断题]波形图上病害波形超过I级或 （-I）界线又回落到I级或（-I）界线为一处病害。
A.正确
B.错误
[单选题]如图（1）所示 ,已知I1=5A,I2=10A,I4=3A.则I3=（ ）A
A.1A
B.-2A
C.3A
D.-4A
[单选题]两个同频率正弦交流电流i1、i2的有效值各为40A和30A。当i1+ i2的有效值为10A时，i1与i2的相位差是( )。
A.0°
B.60°
C.90°
D.180°
[单选题]如图所示电路中，流经三个电阻的电流分别为I1、I2和I3。若已知R1、R2和R3，
则I1/I3＝（）
A.R3/(R1+R2)
B.R3/(R1+R2)R2
C.(R3+R2)/(R1+R2)
D.R3/R1
[单选题] 程序段G65P100A1.0I4.0I3.0;中,自变量A1.0.I4.0.I3.0所对应的变量号分别为( )。
A.格式错误
B.#1.#4.#5
C.#1.#4.#7
D.#1.#4.#4
[判断题]I2C时序在内核中实现， 用户可通过 ioctl 命令字 I2C_READ 对内核 I2C 总线进行读、 命令字 I2C_WRITE 对内核 I2C 总线进行写访问（ ）
A.正确
B.错误
[单选题] I feel that I can help singers, especially the younger _( )_ .
A. champion
B. coach
C. guy
D. generation
[判断题]CENTUMCS3000系统中,I/O子系统可分为现场网络I/O(FIO)及远程I/O(RIO)。
A.正确
B.错误
[判断题]抽油机井调平衡时，平衡率计算公式为：I=（I下／I上）×100%。
A.正确
B.错误
[单选题]在现代计算机系统中，I/O系统由四部分组成，分别是I/O总线、（ ）、I/O设备以及相关的控制软件
A.CPU
B.
I/O处理机
C.
I/O接口控制器
D.
I/O通道
[单选题] I can finish reading a novel in one day if its story _________ me very much.
A. understands
B. interests
C. improves
D. respects
[单选题] I thought I was going to fail the exam, but I passed _____.
A. above all
B. after all
C. at all
D. in all
[单选题] I’m thinking about changing careers, but I don’t quite know how to _____ it.
A. go about
B. go around
C. go by
D. go for
[单选题] I told Sally how to get here, but perhaps I _____ for her.
A. had to write it out
B. must have written it out
C. should have written it out
D. ought to write it out
