测量发动机汽缸时,常用到形位公差中的()。A、不圆度 B、圆度 C、椭圆度 D、平面

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问题:

测量发动机汽缸时,常用到形位公差中的()。

A、不圆度

B、圆度

C、椭圆度

D、平面度

考点:机动车维修技术汽车性能检验汽车性能检验题库
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患者,男,58岁。高血压病史20年,近1年常觉心慌,气短,昨夜睡眠中突然憋醒,胸闷,咳嗽,气喘,急诊入院。经检查诊断为左心衰竭。治疗宜用()

A.肾上腺素

B.异丙肾上腺素

C.东莨菪碱

D.吗啡

E.去甲肾上腺素

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Gigabit Ethernet的每个比特的发送时间为______。

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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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操纵子不包括()。

A.基因编码序列

B.启动序列

C.操纵序列

D.其他调节序列

E.阻遏蛋白

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记忆的基本环节包括()

A.识记

B.保持

C.再认

D.回忆

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