列车无线列调系统中,允许哪些人员通话?

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问题:

列车无线列调系统中,允许哪些人员通话?

考点:通信工程师无线通信专业技术无线通信专业技术题库
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读短文,选择答案、补全句子。  

Ben: Dad, you like football very much, right?

Dad: Yes, I do. What's the matter?

Ben: Who is your favourite player?

Dad: Pele.  He is and will always be my favourite player.

Ben: Pele? Where does he come from? Is he still playing?

Dad: He stopped playing in games many years ago. But he is

        still the greatest football player and he is from Brazil.

Ben: Please tell me more about him.

Dad: Well, he started to play football at three. But his family was

        poor; hedidn't have enough money to buy shoes or football.

        But he loved the game very much. He made a football with old

        socks and played with his friends. Later he became a great player.

Ben: Wow!

1. Pele is the              .

2. Pele is from_______. 

3. Pele started to play football at    ____    .

4. Pele's family was___       _.

5. Pele made a football with              .

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I'm going to _____________ TV on Sunday afternoon. [ ]

A. watching

B. watch

C. seeing

D. see

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慢性肾盂肾炎患者经系统治疗,尿常规已正常,还应作哪项检查,以判断治疗效果【 】

A.定期复查尿常规

B.尿白细胞计数

C.静脉肾盂造影

D.尿细菌培养

E.检查肾区有无叩痛

题型:问答题 简答题

默写。(每空1分,共9分)

(1)伤心秦汉经行处,__________________________。

(2)______________________,直挂云帆济沧海。

(3)采菊东篱下,_____________________。

(4)____________________,西北望,射天狼。

(5)苟全性命于乱世,________________________。

(6)在两会上,许多代表关注高房价,关注民生,借用唐代诗人杜甫的《茅屋为秋风所破歌》中两句诗“_________________,__________________”表达了对老百姓“居者有其屋”的良好愿望。

(7)在古诗文中,“萧”常表示萧索、萧条之意,如“______________,洪波涌起”“箫“则指一种乐器,如“_____________________,衣冠简朴古风存”。

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利用增加AGC电压来减小增益的方式称为正向AGC。

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