甲图中游标卡尺的读数是cm。乙图中螺旋测微器的读数是mm。

题型:实验题

问题:

甲图中游标卡尺的读数是      cm。乙图中螺旋测微器的读数是      mm。

考点:实验:探究弹力与弹簧伸长的关系实验:探究小车速度随时间变化的规律实验:探究加速度与力、质量的关系实验:探究功与速度变化的关系
题型:实验题

下列药物含有手性碳原子的是

A.阿司匹林

B.布洛芬

C.吲哚美辛

D.对乙酰氨基酚

E.双氯芬酸

题型:实验题



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) .

题型:实验题

三相五线制中是哪五根线?

题型:实验题

某工程项目的设计合同,设计人提交了初步设计文件并完成了部分施工图设计任务,由于环境影响评价未获得批准,该项目被迫暂停,此时设计合同履行的时间接近合同约定期限的一半,设计工作已完成全部任务的60%。若合同终止,发包人应向设计支付( )。

A.合同约定设计费的60%
B.双倍定金作为赔偿
C.合同约定设计费的一半
D.合同约定的全部设计费

题型:实验题

施工现场的安全防护用具、机械设备、施工机械及配件必须由()管理,定期进行检查、维修和保养,建立相应的资料档案,并且按照国家有关规定进行报废。

A.项目部

B.作业班组

C.操作人员

D.专人

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