题目详情
题目详情:

[单项选择]监理对混凝土平行检测时,检测数量应不少于承包人检测数量的()。
A. 2%
B. 3%
C. 4%
D. 5%

热门试题:

[填空题]DNS服务器支持两种查询类型()查询和()查询。
[判断题]电气设备停电后(包括事故停电),在未拉开有关断路器(开关)前,不得触及设备或进入遮栏,以防突然来电。
A.正确
B.错误
[填空题]拉铲作业时,铲斗满载后不得继续吃土,不得超载。拉铲作沟渠、河道等项作业时,应根据沟渠、河道的深度、坡度及土质确定距坡沿的安全距离,一般不得小于(),反铲作业时,必须待大臂停稳后再吃土,收斗、伸头不得过猛、过大。
[多项选择]根据《物权法》的规定,下列物权变动,以登记为生效要件的有( )
A. 房屋抵押权
B. 建设用地使用权
C. 地役权
D. 土地承包经营权
[填空题]正常阴道菌群中,以产生_______的_______为优势菌,它可维持阴道的酸性环境,其产生的_______及其他_______可抑制或杀灭其他细菌。
[填空题]


[单项选择]除合同另有约定,支付劳务费应当保障劳务分包队伍每月支付农民工基本工资人均不低于工程所在地最低工资标准,每年()做到100%支付。
A. 开工前
B. 12月底前
C. 年底前
D. 每月
[多选题] 事故的分析处理要遵守“四不放过”原则是( )
A.事故原因没有查清不放过
B.事故责任者没有严肃处理不放过
C.生命和财产损失不公示不放过
D.职工没有受到教育不放过
E.防范措施没有落实不放过
[单选题]各单位可根据实际情况制定本规程的实施细则,经本单位批准后执行。
A.正确
B.错误
C.略
D.略
E.略
F.略
[单选题]2782GPS卫星导航系统中,PDOP为__________。(37091:第07章航海仪器:2782)
A.精度几何因子
B.高程精度几何因子
C.三维位置精度几何因子
D.时钟偏差因子
[判断题]驾驶人在发生交通事故后因抢救伤员变动现场时要标明位置。
A.正确
B.错误
[单选题]( )是指应用可编程计算机进行的自动化操作。
A.监护操作
B.程序操作
C.单人操作
D.远方操作
[单项选择]小儿急性阑尾炎
A. 右下腹体征不明显
B. 腹膜刺激征不明显
C. 两者均有
D. 两者均无
[单项选择]教育管理机构改革的核心是()
A. 统一
B. 效能
C. 精简
D. 分工
[判断题]振动每隔一固定时间T就完成重复一次,时间T就称为振动周期。()
A.正确
B.错误
[单选题]防尘用水水质悬浮物的含量不得超过(  )mg/L,粒径不大于0.3mm,水的pH值在6~9范围内,水的碳酸盐硬度不超过3mmol/L。
A.30
B.25
C.35
[单选题]对客户送审的受电工程设计文件和有关资料期限,自受理之日起,低压供电的不超过( )个工作日。
A.7
B.8
C.10
D.20
[单项选择]女,24岁,发热、腰痛、尿痛、尿急、尿频1天来院就诊。尿液检查:尿红细胞5~10/HP,白细胞2~3/ HP,有白细胞管型,以往无类似发作史,肾区有叩击痛。确诊为肾盂肾炎。
对该病人护理指导不正确的是
A. 嘱多饮水
B. 宜食清淡营养食物
C. 绝对卧床
D. 屈体卧位
E. 解除病人紧张情绪
[判断题]复议机关在复议过程中收集和补充的证据,可以作为人民法院维持原具体行政行为的根据。( )
A.正确
B.错误
[判断题]冬季下水救援或在冰面开展救援行动必须采取保暖和预防冰面破裂等防范措施。(  )
A.正确
B.错误
[单选题]低压供电,当负荷电流为20A以上时宜采用经()接入式的接线方式。
A.电流互感器
B.电压互感器
C.以上都是
[单选题]我国造林技术规程规定,一般常规造林,造林成活率要达到多少为合格?( )
A.75%以上
B.85%以上
C.90%以上
D.95%以上
[判断题]工作地点,应停电的线路和设备包括工作地段内有可能反送电的各分支线(包括用户)。
A.正确
B.错误
[简答题] 加热器安装排空气门的作用
[单选题]( )个月时,要锻炼婴儿不再依赖奶嘴,学会用水杯来喝水,可以换用鸭嘴式训练杯。
A.5~8
B.6~9
C.7~10
D.7~12
[判断题]启动设备之前进行检查和确认,并与有关人员联系后,在条件允许的情况方可启动设备。( )
A.正确
B.错误
[单选题]车站( )利用自轮运转特种设备协助车站进行调车作业(抢险、救援时除外)。
A.禁止
B.可以
C.根据情况可以
D.不得
[判断题]在一般过滤操作中,起到主要介质作用的是过滤介质本身。()
A.正确
B.错误
[单项选择]

Scientists around the world are racing to learn how to rapidly diagnose, treat and stop the spread of a new, deadly disease. SARS — Severe Acute Respiratory Syndrome — was (1) for the first time in February 2003 in Hanoi, (2) since then has infected more than 1,600 people in 15 countries, killing 63. At this (3) , there are more questions than answers surrounding the disease.
Symptoms start (4) a fever over 100.4 degrees F, chills, headache or body (5) . Within a week, the patient has a dry cough, which might (6) to shortness of breath. In 10% to 200% of cases, patients require (7) ventilation to breathe. About 3.5% die from the disease. Symptoms (8) begin in two to seven days, but some reports suggest it (9) take as long as 10 days. Scientists are close to (10) a lab test to diagnose SARS. In the meantime, it is diagnosed by its symptoms. There is no evidence (11) antibiotics or anti
A. regularly
B. ordinarily
C. traditionally
D. generally

[多项选择]目前常见的角度测量仪器,其对中的方法有()
A. 垂球对中
B. 光学对中器对中
C. 强制对中
D. 激光对中
E. 脚螺旋对中
[判断题] 在法律规定范围内的个体经济、私营经济等非公有制经济,是社会主义市场经济的重要组成部分。
A.正确
B.错误
[单项选择]能够作为解耦联剂的物质是()。
A. CO
B. CN增大
C. H2S
D. 二硝基苯酚
E. 抗霉素A
[单选题]跨越街道的低压绝缘接户线,至路面中心的垂直距离,不应小于下列数值:通车街道,()m;通车困难的街 道、人行道,3.5m;胡同(里、弄、巷),3m。
A.2.5
B.3
C.4
D.6
[单项选择]

In recent years a new farming revolution has begun, one that involves the (1) of life at a fundamental level-the gene. The study of genetics has (2) a new industry called biotechnology. As the name suggests, it (3) biology and modern technology through such techniques as genetic engineering. Some of the new biotech companies specialize in agriculture and are working feverishly to (4) seeds that give a high yield, that (5) disease, drought and frost, and that reduce the need for (6) chemicals. If such goals could be achieved, it would be most (7) . But some have raised concerns about genetically engineered crops.
In nature, genetic diversity is created within certain (8) . A rose can be crossed with a different kind of rose, but a rose will never cross with a potato. Genetic engineering (9) usually involves taking genes from one species and inserting them into another (10) to transfer a desired character
A. beneficial
B. disappointing
C. surprising
D. extreme

[判断题]托运人自己押运、带运的包裹发生损失时,承运人不承担责任。 ( )
A.正确
B.错误
[不定项选择题]共用题干 Unpopular Subjects?

Is there a place in today's society for the study of useless subjects in our universities?
Just over 100 years ago Fitzgerald argued in a well-written letter_______(1)Nature
that"Universities must be allowed to study useless subjects一_______(2)they don't,
who will?" He went on to use the_______(3) of Maxwell's electrodynamics(电动力
学)as one case where a"useless subject"has been transformed to a useful subject.
Nowadays this argument is again very much_______(4)in many universities.
Indeed one suspects that it is one of those arguments that must be_______(5)anew
(重新)by each generation. But now there is an added twist(歪曲)一subjects must not
only be useful,they must also be_______(6)enough that students will flock(蜂拥)
to do them,and even flock to pay to do them.
As universities become commercial operations,the pressure to_______(7)
subjects or departments that are less popular will become stronger and stronger. Perhaps
this is most strongly_______(8)at the moment by physics.There has been much
_______(9)in the press of universities that are closing down physics departments
and incorporate them with mathematics or engineering departments.
Many scientists think otherwise.They see physics as a_______(10)science,
which must be kept alive if only to_______(11)a base for other sciences and
engineering.It is of their great personal concern that physics teaching and research is under
_________(12)in many universities.How can it be preserved in the rush towards
commercial competition? A major turnaround(转变)in student popularity may have to
________(13)until the industrial world discovers that it needs physicists and starts
paying them well.
Physics is now not only unpopular;it is also"hard".We can do more about the latter
by_______(14) teaching in our schools and universities. We can also_______
(15)cooperative arrangements to ensure that physicists keep their research and teaching
up to date. _________(9)
A.discussion
B.fancy
C.evidence
D.influence
[单选题]OSI参考模型的功能划分包括:物理层、数据链路层、( ) 、传输层、会话层、表示层、应用层。
A.网络层
B.生物层
C.空间层
D.结构层

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