“双端输入—双端输出”差动直流放大器的放大倍数是单管放大倍数的() A.1倍 B.2

题型:单项选择题

问题:

“双端输入—双端输出”差动直流放大器的放大倍数是单管放大倍数的()

A.1倍

B.2倍

C.1/2倍

考点:热工仪表检修工热工仪表检修工(初级)热工仪表检修工(初级)题库
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41,64,93,128,151,180,( )

A.207

B.215

C.223

D.228

题型:单项选择题
Ling Ruiming has long dreamed of traveling around the world. But when the 86-year-old man was diagnosed with terminal cancer, it   48  that his dream would never come true.
  49  a micro blog his granddaughter Ling Yifan posted on Sina Weibo, China’s Twitter-like platform, Ling Ruiming was able to travel around the world within several days.
“My grandpa is sick with few days   50 ,” she wrote. “All he wanted to do is to travel around the world. Could you please do him a favor of taking him around the world by taking a photo with his   51  at your place?”
Within three hours, the post was forwarded (转发) tens of thousands of times. Ling Yifan has   52  more than 20,000 replies with photos of her grandfather’s portrait at places around the world, including the River Thames in England and the Berlin Wall in Germany, even a picture at the South Pole.
Her grandfather was delighted and grateful to see his photo   53  different backgrounds from all over the world. Ling Yifan said, “It was not until three months ago, when my grandfather was diagnosed and moved to Peking University Third Hospital, that I realized the love between family members is the most precious and   54  part of life. What I did is just my way to fulfill the grandpa’s dream and   55  some of his regrets.”
小题1:
A.lookedB.provedC.supposedD.appeared
小题2:
A.As forB.Thanks toC.Regard toD.Result in
小题3:
A.remainedB.followedC.leftD.stayed
小题4:
A.bookB.diaryC.portraitD.map
小题5:
A.receivedB.acceptedC.ownedD.sent
小题6:
A.againstB.ofC.forD.at
小题7:
A.honorableB.responsibleC.unforgettableD.irreplaceable
小题8:
A.reduceB.removeC.replaceD.reply
题型:单项选择题

保健食品的标签、说明书及广告

A.可以适当宣传治疗效果
B.不得宣传疗效作用
C.必须按药品广告要求管理
D.可以宣传对病人有效
E.可以宣传对所有人群都有效

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阅读以下说明,回答下面问题。
【说明】
某小公司的网络拓扑如图1.6所示。其中路由器具有ISDN模块,公司网络通过ISDN连接到ISP。

【问题2】
在路由器和ISDN之间需要加入终端适配器(TA)吗试说明在什么情况下需要加入TA。

题型:单项选择题

在当今发动机电控系统中,应用较为广泛的进气歧管绝对压力传感器的形式有()。

A、半导体压敏电阻式

B、电容式

C、膜盒传动的可变电感式

D、表面弹性波式

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