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【简答题】
机构处于死点位置时其压力角α=( )。
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参考答案:
举一反三
【多选题】电气设备试验一般分为哪些
A.
交接验收试验
B.
预防性试验
C.
大修试验
D.
出厂试验
【判断题】电气设备的预防性试验应严格按照《电气设备预防性试验规程》规定的各类电气设备的试验周期安排试验计划。( )
A.
正确
B.
错误
【简答题】-You haven't said a word about my new coat , Brenda.Do you like it? -I'm sorry I ________ anything about it sooner.I certainly think it's pretty on you. A.wasn't saying B.don't say C.won't say D.did...
【单选题】听力原文:M: Would you mind if I use your computer? W: Certainly not. Q: What is the woman's answer? (15)
A.
She will let the man use her computer.
B.
She won't let the man use her computer.
C.
She hasn't made any promise.
D.
She didn't have a computer for him to use.
【单选题】—Would you mind doing the dishes? —______ [     ]
A.
Certainly not
B.
Sorry, I won't
C.
Yes, I will do them
D.
Of  course, I don't
【单选题】--Don't make any noise in the living room! My baby is sleeping. -- ________.
A.
Sorry, I won't.
B.
It doesn't matter.
C.
Excuse me, I'm wrong.
D.
Certainly, I won't.
【单选题】在华中HNC-21系统中,手摇脉冲发生器需在( )的方式下才能使用。
A.
自动
B.
单段
C.
回零
D.
增量
【判断题】电气设备的绝缘耐压试验一般在非破坏性试验前进行( )
A.
正确
B.
错误
【判断题】电气设备的状态可分为试验、备用、检修3种。()
A.
正确
B.
错误
【单选题】请读程序: # include<stdio.h> main( ) { floa x,y; scanf('%f',& x); if(x<0.0)y=0.0; else if ((x<5.0)& &(x!=2.0)) y=1.0/(x+2.0); else if(x<10.0)y=1.0/x; else y=10.0; printf('%f/n',y); } 若运行时从键盘上输入2.0<CR>(<CR...
A.
0
B.
0.25
C.
0.5
D.
1
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