引入负反馈后使放大倍数()A、增大 B、不变 C、不定 D、减小

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问题:

引入负反馈后使放大倍数()

A、增大

B、不变

C、不定

D、减小

考点:电力机车电工考试中级机车电工中级机车电工题库
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光纤到办公室的用户网光纤化方案是( )

A.FTTC

B.FTTZ

C.FTTO

D.FTTF

题型:单项选择题

甘草浸膏(按重量计蔗糖含量占15%)

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As crime skyrockets in many communities, people are finally beginning to look for long-lasting effective answers to stem the tide of juvenile crime. Reaching the youth who have committed a crime before they become (1) is an essential step in reversing the crime trend. One (2) may be the establishment of teen court. Teen court is known as a sentencing court for youths who have (3) . Teen courts primarily deal with first-time offenders. After arrest, the young offender must (4) to the charge in juvenile court. With (5) , the offender agrees to be sentenced and abide by the decision of peer jury (6) . Another essential component to teen court is that, as part of the sentence, the offender must sit in on one of more future peer juries to (7) for other offenders. For example, a county teen court in Illinois gives young offenders a chance to (8) their arrests from their permanent record by (9) or other duties ordered by the court. Teen court is not a trial court. All teens admit their guilt and (10) a sentence given to them by a jury of their peers. A judge is present to (11) of the court. The teen court alleviates the strain on the (12) and has been implemented in (13) since the first teen court opened in Odessa, Texas. Beside giving the offender a second chance, it gives the youth (14) in the judicial process.
The purpose of the teen court, aside from sentencing youth offenders, is to (15) both the offenders and the teen volunteers while simultaneously promoting (16) between defendants, the community, and the police. By offering this (17) system, teen court allows those teens who have made a bad decision an opportunity to (18) and learn from it. At the same time those teens learn (19) . The police, the community, and the (20) .

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患儿男性,2岁。生后2月开始出现一侧阴囊内肿物,活动后略大,平卧后略小,但不能完全消失。该肿物透光试验阳性。肿物侧睾丸触诊不清

主要病因是()

A.腹腔压力大

B.婴幼儿睾丸活动度大

C.腹膜鞘状突未闭

D.局部肌肉薄弱

E.以上都不是

题型:单项选择题

脑裂畸形Ⅱ和Ⅲ型不同之处为()

A.多小脑回和灰质异位

B.软脑膜-室管膜缝

C.全大脑半球裂

D.可单侧或双侧

E.癫痫

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