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【单选题】
高频开关整流器中的输入滤波是接在交流电网和开关整流器输入之间的滤波装置,其作用是可以( )。
A.
抑制交流电网中的高频干扰串入整流器
B.
抑制整流器对交流电网的反干扰
C.
抑制通过空间发射向外界产生的辐射 ( radiated ) 骚扰
D.
整流滤波
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举一反三
【单选题】Which of the following sentences has the word "resolve" with the same meaning and usage as that in "The attributes of self-discipline, of quiet good-humored resolve and of fellow-feeling still charact...
A.
The government seems to think that the matter can be resolved overnight.
B.
The attempts to intimidate him merely strengthened his resolve.
C.
After the divorce, he resolved never to marry again.
D.
She made a resolve not to think about him any longer.
【简答题】给问句选出相应的答语。 (     ) 1. When do you go to the train station? (     ) 2. What is he doing now? (     ) 3. Where is my jacket? (     ) 4. How much for this pair of pants? (     ) 5. Do you want to walk t...
【单选题】2,12,36,80,( )
A.
12/7
B.
11/7
C.
15/7
D.
16/7
【单选题】What does the word "enforce" mean in the sentence "The new teacher totally failed to enforce any sort of discipline"?
A.
put aside
B.
put off
C.
put into effect
D.
put on hold
【简答题】段式管理中,以段为单位 ,每段分配一个 区。由于各段长度 ,所以这些存储区的大小不一,而且同一进程的各段之间不要求 存放。
【单选题】有关客房服务用语的中英文对照,错误的是()
A.
I WANT TO PAY MY BILL NOW 我想开发票
B.
,MAY I HAVE A LOOK AT YOUR CARD 我可以看一下您的房卡吗?
C.
PLEASE GO DOWN TO THE LABBY HERE 请在这里下去大堂
D.
THE ENTENSIM NUMBER OF LAUNDTY SERVICE IS 7 洗衣服的客房号码是7
【简答题】用方框里适当的短语完成句子。 get to    want to do    on the corner of   go out for a walk   go swimming   go across buy some medicine   get some money     go shopping      on the other side of 1. The Hermitage Muse...
【单选题】Which of the following sentences has the word "attribute" with the same meaning and usage as that in "the attributes of self-discipline"?
A.
We can't attribute the rise in autism to having children later in life.
B.
Patience is one of the most important attributes in a teacher.
C.
This play is usually attributed to Shakespeare.
D.
She attributes her success to hard work and a little luck.
【简答题】Choose and complete. 选择合适的短语补全句子。 It is not decided It is a pity It is likely It is good news to us What he said It’s said It is well-know...
【单选题】I want to go now. 的语音简化模式是:
A.
I wanna go now.
B.
I wan to go now.
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