热门试题:
[单项选择]移动通信对基站天线要求不正确的是（）。
A. 采用水平极化；
B. 较高的增益；
C. 尽量宽的频带。
[单选题] 虹吸式口器昆虫取食的主要部位是植物的( )。
A.根
B.叶
C.茎
D.花
[多选题]桥梁、隧道应按规定设置()及必要的检查和消防设备等。
A.作业通道
B.避车台（洞）
C.电缆沟（槽）
D.电气化预埋件
[判断题]产业市场的采购行为一般属于理性购买，冲动性购买行为较少。（）
[不定项选择题]共用题干
Step Back in Time
Do you know that we live a lot longer now than the people who were born before us?One hundred years ago the average woman lived to be 45.But now,she can live until at least 80.
One of the main reasons for people living longer is that we know how to look after ourselves better.We know which foods are good for us and what we have to eat to make sure our bodies get all the healthy things they need.We know why we sometimes get ill and what to do to get better again.And we know how important it is to do lots of exercise to keep our hearts beating healthily.
But in order that we don't slip back into bad habits,let's have a look at what life was 100 years ago
Families had between 15 and 20 children,although many babies didn't live long.from lots of diseases , especially rickets (佝偻病）and scurvy（坏血病）,which are bot diets.This is because many families were very poor and not able to feed their children well.
Really poor families who lived in crowded cities like London and Manchester often slept standing up,bending over a piece of string,because there was no room for them to lie down.
People didn't have fridges until the 1920s.They kept fresh food cold by storing it on windowsills（窗台板）,blocks of ice,or even burying it in the garden.
Some children had to start work at the age of seven or eight to earn money for their pai lived 100 years ago,you might well be selling matchsticks（火柴杆）(a job done by many children）or working with your dad by now.
A hundred years ago many kids died at an early age.
A.Right
B.Wrong
C.Not mentioned
[判断题]运规规定：基本机车周转图与列车运行图同时编制。
A.正确
B.错误
[单选题]3.428. 使用电费充值卡时，拨打当地95598，选择“9”充值，输入电费户号，再次输入电费户号，输入密码以()键结 束确认充值成功。
A.“0”
B.“1”
C.“#”
D.“*”
[单项选择]网页上的链接使用（）时，如果网页文件移动到其他服务器上，只要网页的相对位置没有改变，链接就不用更改。
A. 绝对地址
B. 相对地址
C. 链接地址
D. URL地址
[多选题]工程项目是为形成特定的生产能力或使用效能而进行( )的项目,这种投资必定形成固定资产
A.设计
B.投资
C.建设
D.运营
E.维修保养
[单选题]挖掘出的电缆或接头盒，若下方需要挖空时，应采取（ ）保护措施。
A.悬吊
B.防坠
C.提升
D.隔离
[判断题][288]涂装酚醛红丹、醇酸红丹底漆时，钢表面清理应达到Sa2.5级。
A.正确
B.错误
[单选题]接入高压配电网的分布式电源，并网点应安装易操作、可闭锁、具有明显（ ）、可开断故障电流的开断设备，电网侧应能接地。
A.电气指示
B.机械指示
C.警示标识
D.断开点
[填空题]大型养路机械作业前，工务段应做好补充道砟砟、更换伤损胶垫和撤除作业地段、道口铺面、有砟桥上影响大型养路机械作业的护轨等工作。
[单选题]下面哪种放大器，得到最广泛的应用（ ）。
A.EDFA
B.半导体光放大器
C.PDFA
D.ADSL
[单选题]( )是各项安全管理制度的核心
A..安全生产责任制
B.安全检查制度
C.隐患排查制度
D.危险源管理制度
E.安全教育支队
[单项选择]关于胆囊触诊的描述，下列哪一项不正确（）
A. 正常胆囊常不能触及
B. 胆囊肿大时，在右肋缘下腹直肌外缘可触及梨形或卵圆形囊性物
C. 未触及胆囊肿大时，用左手掌平放于患者右胸下部，用拇指指腹勾压于右肋下胆囊点处，如嘱患者深吸气时出现胆囊点疼痛，称为胆囊触痛征阳性
D. Murphy征阳性是指出现胆囊触痛征阳性者伴有吸气动作终止现象
E. 内脏下垂时胆囊可在右肋缘下腹直肌外缘触及
[判断题]河山园林绿化公司为核定征收企业所得税的小型微利企业,不可享受普惠性所得税优惠政策。
A.正确
B.错误
[判断题]全面实行公务卡制度。健全公务卡强制结算目录，党政机关国内发生的公务差旅费、公务接待费、公务用车购置及运行费、会议费、培训费等经费支出，除按规定实行财政直接支付或者银行转账外，应当使用公务卡结算。
A.正确
B.错误
[单项选择]连续探测功率增量Power Increment Step是指同一个序列内连续探测之间功率的调整值，单位为（）dB。
A. 0.25
B. 0.5
C. 1
D. 2
[单选题]大量饮清水后导致抗利尿激素分泌减少的主要原因是( )
A.血浆胶体渗透压升高
B.血浆晶体渗透压降低
C.有效循环血量减少
D.血浆晶体渗透压升高
E.血浆胶体渗透压降低
[单选题]某施工企业从银行取得一笔借款500万元，借款年利率为8％，期限为2年，每年计算并支付利息，到期一次还本，企业所得税率为25％，则在财务上这笔借款的资金成本率为（ ）。
A.2％
B.6％
C.8％
D.12％
[单选题]新建、改建、扩建建设工程，必须达到（ ）。
A.抗震设防要求
B.抗震设防标准
C.抗震设防设计
D.抗震设防规范
[判断题]高速铁路工务安全规则适用于160km/h及以上铁路和160km/h以下仅运行动车组列车的铁路。
A.正确
B.错误
[判断题]摇表多采用手摇交流发电机作为电源。()
A.正确
B.错误
[单项选择]Passage One
Questions 26 to 29 are based on the passage you have just heard.A. Offer their help. B. Stop smiling at you.
C. Help you find the way. D. Reply that he is pleased to meet you.
[判断题]装载危险货物车辆与牵引的调车机车应有隔离。( )
A.正确
B.错误
[填空题]
Teamwork is just as important in science as it is on the playing field or in the gym Scientific investigations are almost always carded out by teams of people working together. Ideas are shared, experiences are designed, data are analyzed, and results are evaluated and shared with other investigators. Group work is necessary, and is usually more productive than working alone.
Several times throughout the year you may be asked to work with one or more of your classmates. Whatever the task your group is assigned, a few rules need to be followed to ensure a productive and successful experience.
What comes first is to keep an open mind, because everyone’s ideas deserve consideration and each group member can make his or her own contribution. Secondly, it makes a job easier to divide the group task among all group members. Choose a role on the team that is best suited to your particular strengths. Thirdly, always work together, take turns, and encourage each othe
[单选题]特勤消防站的面积指标为（）。
A.2700㎡～4000㎡
B.3700㎡～5000㎡
C.4000㎡～5600㎡
D.4600㎡～6800㎡
[单项选择]鉴别1、2型糖尿病下列哪项不重要（）
A. 胰岛素释放试验
B. 病情发展状况
C. 体重
D. 酮症
E. 有无皮肤瘙痒
[单项选择]关于矿山防治水工作原则的内容，正确的是以（）为先。
A. 先探后掘
B. 有疑必探
C. 预测预报
D. 先治后采
[判断题]金融机构发放的银团贷款纳入委托贷款核算
A.正确
B.错误
[判断题]10kV带电作业用绝缘防护用具的预防性试验周期为12个月。
A.正确
B.错误
[判断题]高处作业允许从上往下抛掷任何物料、工具和施工垃圾等。( )
A.正确
B.错误
[多项选择]领导者素质的特点包括( )
A. 综合性
B. 神秘性
C. 动态性
D. 层次性
E. 模糊性
[单选题]局、总队级单位可表彰基层建设先进大队级单位，比例控制在（）以内。
A.0.25
B.0.3
C.0.35
D.0.4
[单选题]不能扑救电器火灾的灭火器是( )
A.泡沫
B.干粉
C.二氧化碳
[单项选择]民用建筑工程等级划分按照以下( )顺序由高到低排列。
A. 一、二、三、四、
B. 一、二、三、四、五、六
C. 特、一、二、三、四、五
D. 特、五、四、三、二、一
