更多"[单选题] It gradually ______ on me tha"的相关试题:
[单选题] If I had known how he felt, I would never have let him ______ those children.
A. adapt
B. adjust
C. adopt
D. advocate
[单选题] I had come to know that our Italian had spent many years in New York.
A. personality
B. host
C. generation
D. double
[单选题] I was disappointed to miss Bryan, who had just packed and ______ out.
A. departed
B. left
C. checked
D. fled
[单选题] I feel that I can help singers, especially the younger .
A. champion
B. coach
C. guy
D. generation
[填空题] I didn’t tell her the bad news, as I was afraid ( )__ making her sad.
[单选题] I hurried _____ I wouldn’t be late for class.
A. since
B. in order that
C. as if
D. unless
[填空题]I'm sorry I can't say it ( )__ Chinese.
[填空题] Could you tell me something ( )__ UFOs? I am really interested in it.
[填空题]已知：i＝100·sin(ωt＋30°)A，t＝0时，i等于（）A。
[单选题]已知交流电流解析式i1=60sin(314t+30°)A,i2=60sin(314t+70°)A,i3=60sin(314t-120°)A。则下列答案中正确是
A.i1比i2滞后60°
B.i1比i2超前60°
C.i1与i2同相
D.i3比i1滞后150°
[单选题]已知i1=10sin(314t-900)A,i2=10sin(628t-300)A,则()。
A.i1比i2超前60°
B.i1比i2滞后60°
C.i1比i2超前90°
D.不能判断相位差
[填空题]在正弦交流电i = Im sin(ωt+ψ) 中的角度 ωt 和( ωt +ψ )称为正弦交流电的( )。
[单选题]在音频选择/控制面板上,"R/T-/I/C"电门的"R/T"和"I/C"各表示什么含义?
A.R/T 为按压发话,I/C 为飞行内话
B.R/T 为备用通话方式,I/C 为正常通话方式
C.R/T 为通过发射机选择电门选择的通讯系统进行发话,I/C 为通过飞行内话系统发话
D.R/T 为正常通话,I/C 为飞行内话
[单选题]当t=0.01s时，电流i=10sin314t的值为( )
A.3.14
B.10
C.－10
D.0
[单选题]已知正弦电流的瞬时表达式为i(t)=28.8sin(314t+300)，其电流相量表达式为(____)。
A. I=28.8∠30°A
B. I=20∠30°A
C. I=28.8∠120°A
D. I=28.8∠0°A
[单选题] Please don’t forget _____ to me, will you?
A. to write
B. writing
C. write
D. writes
[单选题]已知正弦电流的瞬时表达式为i(t)=28.8sin(314t+30°)，其电流相量表达式为(____)。
A.I=28.8∠30°A
B.I=20∠30°A
C.I=28.8∠120°A
D.I=28.8∠0°A
[单选题]已知：i=100sin（wt+30°）A，t=0时，i等于（ ）A。
A.100
B.50
C.57.7
D.86.59
