热门试题:
[多项选择]二级建造师的执业技术能力包括( )。
A. 具有一定的施工管理专业知识
B. 具有一定的施工管理实践经验和资历，有—定的施工组织能力，能保证工程质量和安全生产
C. 具有一定的计算机应用能力
D. 具有一定的外语水平
E. 了解工程建设的法律、法规、工程建设强制性标准及有关行业管理的规定
[判断题] 工作面初次放顶时,应采取相应的技术措施,增加支柱的稳定性,防止推倒和压坏支柱。
A.正确
B.错误
[单选题]线路损失率即为线路损失电量占（ ）的百分比。
A.供电量
B.售电量
C.用电量
D.设备容量
[多选题]3.代收政府非税收入业务中柜台缴费可通过下列哪些方式实现（）？( )
A.现金
B.个人结算账户转账
C.对公存折户转账
D.他行转账支票
[多选题]生产经营单位对重大危险源应当登记建档,进行定期( )并制定应急预案,告知从业人员和相关人员在紧急情况下应当采取的应急措施。
A.检查
B.检测
C.评估
D.监控
[单项选择]手术护士与巡回护士的共同职责是
A. 接患者到手术室
B. 协助留取标本
C. 协助麻醉
D. 术前清点器械敷料
E. 术中传递器械
[简答题]Malnutrition during weaning age—when breast milk is being replaced by semi-solid foods—is highly prevalent in children of poor households in many developing countries. While the etiology (病因学) is complex and multifactorial, the immediate causes are recognized as feeding at less than adequate levels for child growth and development, and recurrent infections, including diarrhea, resulting mainly from ingestion of contaminated foods. As a result, many young children, particularly between six months to two years of age, experience weight loss and impaired growth and development.
Studies by investigators in various countries have concentrated on traditional food preparation methods and have resulted in offering cheap and practical answers to these problems based on familiar, indigenous and culturally acceptable home processing practices.
Two such answers have arisen. Firstly, cereal fermentation is used for reducing the risk of contamination under the existing inappropriate condit
[单项选择] The United States is well-known for its network of major highways designed to help a driver get from one place to another in the shortest possible time. 【B1】 these wide modem roads are generally 【B2】 and well maintained, with 【B3】 sharp curves and many straight 【B4】 , a direct route is not always the most 【B5】 one. Large highways often pass 【B6】 scenic areas and interesting small towns, Furthermore, these highways generally 【B7】 large urban centers, which means that they become crowded with 【B8】 traffic during rush hours, 【B9】 the "fast, direct" route becomes a very slow mute.
However, there is 【B10】 always another route to take 【B11】 you are not in a hurry. Not far from the 【B12】 new "superhighways’’, there are often older, 【B13】 heavily traveled roads which go through the countryside. 【B14】 of these are good two-lane roads; others are uneven roads 【B15】 through the country. These secondary routes may go up steep slopes, along high 【B16】 , or down frightening hillsides to town
A. large
B. fast
C. high
D. heavy
[单项选择]在下列选项中，不是局域网基本拓扑结构的是 (4) 。从用户角度看，因特网是一个 (5) 。关于城域网建设的描述中，不正确的是 (6) 。
A. 广域网
B. 远程网
C. 棕合业务服务网
D. 信息资源网
[判断题]漏电闭锁是指在开关合闸对电网进行绝缘监测，起闭锁作用。
A.正确
B.错误
[判断题]计算机终端可以在高温、高湿的地方使用。（错误）
A.正确
B.错误
[多选题]吸收操作的影响因素为()
A.吸收质的溶解性能
B.吸收剂的选择
C.温度的影响、压力的影响
D.气、液相流量、气流速度的影响
[多项选择]艾叶的功效是（）。
A. 温肺散寒
B. 温经止血
C. 散寒调经
D. 安胎
E. 化湿祛痰
[单选题]乡镇人民政府应当制定本地区的突发事件应对预案。()
A.正确
B.错误
[判断题]调车作业必须做好人力制动机的选闸、试闸，系好安全带。
A.正确
B.错误
[判断题]中国画就题材而言，大致包括人物、山水、花鸟等3类作品，其中以花鸟画产生最早，但后来最为以达、艺术成就最高的首推山水画，反映出古代中国人民热爱大自然、向往大自然的民族特征。（ ）
[填空题]Believe it or not, optical illusion can cut highway crashes.
Japan is case in point. It has reduced automobile crashes on 41 ______.
some roads by nearly 75 percent using a simple optical illusion.
Bending stripes, called chevrons (人字形), painted on the roads make 42 ______.
drivers think that they are driving faster than they really are, and thus
drivers slow down.
Now the American Automobile Association Foundation for Traffic
Safety in Washington D. C. is planning to repeat Japan’s success. Starting
next year, the foundation will paint chevrons and other patterns of stripes
on selected roads around the country to test how the patterns reduce 43 ______.
highway crashes.
Excess speed plays a major role in as much as one fifth of all 44 ______.
fatal traffic accidents, according to the foundation. To help reduce those
accidents, the foundation will conduct its tests in areas which speed-related 45 ______.
[单项选择]药品销售人员不得兼职其它企业进行（）
A. 宣传活动
B. 咨询活动
C. 运输活动
D. 购销活动
[单选题]（ ）与监控系统应有统一、规范、稳定的接口
A.机械闭锁
B.就地防误装置
C.微机防误装置系统
D.监控防误系统
[单选题]外伤致脾破裂伴休克者，脉搏细速，血压60/40mmHg，最恰当的治疗措施为
A.给升压药物纠正低血压
B.立即输血
C.补充纠正休克，待全身情况好转后手术治疗
D.积极抗休克治疗的同时手术治疗
E.立即手术治疗
[单选题]不属于防蜂服具有的性能是:( )(易)
A.防蜂蜇
B.防割
C.防蚊虫叮咬
D.防火
[单选题]蓄电池对整流器的输出纹波电压具有旁路功能，起到“ ”的作用。
A.平滑滤波
B. 带通滤波
C.有源滤波
D. 无源滤波
[单项选择]急性化脓性炎症的早期进行大剂量超短波治疗可能产生什么反应
A. 炎症迅速控制
B. 血管持久扩张
C. 周围血液白细胞增多
D. 肿痛加重
E. 结缔组织增生
[单选题]电缆直埋敷设施工前应先查清（），再开挖足够数量的样洞和样沟，摸清地下管线分布情况，以确定电缆敷设位置及确保不损坏运行电缆和其他地下管线。
A.图纸
B.电缆运行记录
C.历史资料
D.电缆出厂资料
[单项选择]建筑安装工程材料损耗率一般采用( )计算确定。
A. 技术测定法
B. 比较类推法
C. 观察法
D. 经验估计法
[单项选择]关于VLAN错误的为（）
A. 可以是一组端口绑定来实现
B. 是指虚拟局域网
C. VLAN可以加快交换速度，降低安全性
D. VLAN能提高网络安全性
[单选题]贷款期限本质上是由资产转换周期决定的，流动资金的资产转换周期应由（ ）组成。
A.存货周转期
B.应收账款周转期
C.存货周转期与应收账款周转期之和
D.存货周转期与应付账款周转期之和
[判断题]磨铣、套铣作业起管柱前，应循环压井液不得少于一周半，且压井液密度差小于或等于0.02g/cm3。
A.正确
B.错误
[单项选择]治疗时行感冒常用的治疗原则是
A. 清营凉血
B. 清热解毒
C. 和解透邪
D. 祛风散寒
E. 宣肺解表
[多选题]以下是专项作业车的是:( )
A..仪器车
B..检测车
C..电视车
D..医疗车
[单选题]采煤机换截齿或距滚筒上下（ ）m内有人工作时，都必须切断电源，打开采煤机隔离开关和离合器。
A.1
B.2
C.3
D.4
[单选题]电视剧的录像制作分为( )、单角度拍摄。:
A.单机拍摄
B.多机拍摄
C.外景拍摄
D.多角度拍摄
[判断题]在分散自律控制模式下（车站操作方式除外），因设备故障需要封锁线路时，由列车调度员负责对站内股道或区间施行封锁。
A.正确
B.错误
[填空题]SDH基本复用单元包括标准容器、( ) 、支路单元、管理单元、管理单元组
