搜题请搜索小程序“爱下问搜题”
问题 单项选择题

飞行中，中央油箱燃油已用完，中央油箱左、右泵电门放到了OFF位.一段时间后，机组发现中央油箱油量在逐渐增加，而1号油箱油量比2号油箱油量少。你认为可能是什么原因造成的：（）.

A、交输活门未完全关闭

B、中央油箱左泵的单向活门故障

C、中央油箱右泵的单向活门故障

D、1号油箱前泵和后泵的单向活门故障

答案

参考答案：B

填空题



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) .
查看答案
单项选择题

对于PIMDM协议，当上游接口受到嫁接消息时，需要向下游路由器发送的报文是（）

A.Join

B.Assert

C.Graft

D.Graft-ACK
查看答案