热门试题:
[单项选择]适用于缺少可靠的输送基面,在组合机床自动线上较难用输送带直接输送的工件的夹具为()。
A. 随行夹具
B. 组合夹具
C. 专用夹具
D. 固定夹具
[单项选择] Questions 27 and 28 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions.
Now, listen to the news.
Why were two rail companies fined
A. Because they asked young students to work at night.
B. Because their train was not safe.
C. Because they hired college students illegally.
D. Because their work practice system was unsafe.
[单项选择]胎粪吸入综合征患儿常伴有()
A. 口吐沫
B. 呼气性呻吟
C. 气胸及纵隔气肿
D. 呼吸窘迫呈进行性加重
E. 查体可见胸廓扁平
[单项选择]
A. then
B. so
C. by
D. that
[单选题]非运维人员在高压回路上使用钳形电流表的测量工作时,应填用( )
A.配电第一种工作票
B.配电第二种工作票
C.配电带电作业工作票
D.工作任务单
[单选题]真正能客观地反映数字通信系统传输效率的指标是()
A.信息传输速率
B.传输速率
C.频带利用率
D.ABC均可
[单项选择]有以下程序:
#include <stdio.h>
int fun(int x[], int n)
static int sum =0,i;
for(i=0;i<n;i ++ )sum + =x[i];
return sum;
int a[] =1,2,3,4,5,b[]=6,7,8,9,s=0;
s = fun(a,5) + fun(b,4) ;printf( "%d /n",s);
程序执行后的输出结果是( )。
A. 45
B. 50
C. 60
D. 55
[单选题]如果人体直接接触带电设备及线路的一相时,电流通过人体而发生的触电现象称为( )
A.A.单相触电
B.B.两相触电
C.C.接触电压触电
D.D.跨步电压触电
[判断题] 放完炮等炮烟吹散后,⽅可进⼊⼯作⾯作业。( )
A.正确
B.错误
[单项选择]下列财务评价指标中,反映项目偿债能力的指标是()。
A. 投资回收期
B. 利息备付率
C. 财务净现值
D. 总投资收益率
[单选题]电力电缆中,用来输送电能,是电缆的主要部分的为()。
A.线芯(导体)
B.绝缘层
C.屏蔽层
[简答题]分组作业时,每组均需设置现场防护员,每个现场防护员负责的防护范围不得超过____m。
[判断题]利用横波二次反射探伤,为了避免纵波干扰,横波入射角应选择大于第三临界角。
A.正确
B.错误
[配伍题]主动脉瓣关闭不全主要引起|急性心肌梗死主要引起|急性肺梗死主要引起|慢性阻塞性肺疾病主要引起|高血压危象主要引起
A. 左心室容量负荷过重
B. 左心室压力负荷过重
C. 右心室容量负荷过重
D. 右心室压力负荷过重
E. 心肌代谢障碍
[单项选择]According to the moral thinkers and philosophers, ______.
A. civilized man will occasionally indulge in savage killing
B. a man who knows good is not likely to become evil
C. man is both good and evil by nature
D. man can choose to be good or evil
[单项选择]关于HBV抗原-抗体的检测,哪项是错误的
A. 用于乙型肝炎的诊断
B. 用于筛选合格的献血员
C. 选择治疗用药的参考
D. 判断乙型肝炎的预后
E. 调查人群的免疫水平
[多选题]虚拟电厂概念最重要的特征在于将( )分布式能源聚合成一个灵活的有机整体,以与传统电厂相同的方式参与电力市场运营,为系统提供各种辅助服务。
A.不同类型
B.数量众多
C.地理位置分散
D.大小各异
[判断题]《铁路旅客运输规程》(铁运[1997]101号)规定,快运包裹按承诺的运到期限计算。
A.正确
B.错误
[单选题]表证和里证的鉴别要点为 ? (0.1分)
A.咳嗽是否伴有咳痰
B.寒热症状、脏腑证候是否突出
C.头身疼痛与否
D.舌象的变化
E.出汗量之多少
[单项选择]下面叙述不正确的是( )。
A. 基类的保护成员在派生类中仍然是保护的成员
B. 基类的保护成员在公有派生类中仍然是保护的
C. 基类的保护成员在私有派生类中仍然是私有的
D. 对基类成员的访问必须是无二义性
[单选题]一急性肝炎患者发生黄疸,护士常观察黄染的部位不包括 ( )
A.皮肤
B.巩膜
C.上颚
D.甲床下
E.手掌
[单项选择]圆脸型的粉底在()涂阴影色。
A. T字部
B. 颧骨
C. 两腮
D. 太阳穴
[单项选择]Things in the henhouse changed practically overnight when McDonald’s announced in 1999 that it would no longer buy eggs from producers who didn’t meet its guidelines for care of chickens. Those guidelines included limiting the (51) of birds that could be kept in one (52) and prohibiting beak removal, (53) trimming just the tips.
Once McDonald’s had (54) the way in issuing animal care guidelines for the company’s suppliers, many other giants of the fast food industry rapidly followed suit, including Burger King, Taco Bell, Pizza Hut, Wendy’s, A&W, and KFC. Now, the American Meat Institute has (55) welfare guidelines and audit (56) for cattle, pigs, and chickens. And the European Union, representing our foreign customers, is also weighing in with, among other things, legislation banning (57) use of crates to house pregnant sows, effective in 2013.
Questions about animal care (58) with the explosive growth i
A. prolonged
B. proceeded
C. programmed
D. progressed
[单选题]Cloud computing is a phrase used to describe a variety of computing concepts that involve a large number of computers( )through a real-time communication network such as the Internet.In science,cloud computing is a(请作答此空)for distributed computing over a network,and means the( )to run a program or application on many connected computers at the same time.The architecture of a cloud is developed at three layers:infrastructure,platform,and application.The infrastucture layer is built with virtualized computestorageand network resources.The platform lay-er is for general-purpose and repeated usage of the collection of software resources.The application layer is formed with a collection of all needed software modules for SaaS applications.The infrastucture layer serves as the( )for building the platform layer of the cloud.In turn,the platform layer is founda-tion for implementing the( )layer for SaaS application.
A.replacement
B.switch
C.substitute
D.synonym(同义词)
[单选题]将一根电阻等于8Ω的均匀导线,对折起来并联使用时,则电阻变为()。
A.16Ω
B.2Ω
C.4Ω
D.8Ω
[单项选择]近视眼表现为()。
A. 近视不清
B. 视远不清
C. 圆锥角膜
D. 眼位易发生内斜
E. 无立体视觉
[填空题] 批记录的填写原则要求填写及时|()内容真实()并由操作人及复核人签名。出处:《批记录管理规程》MS-Q061(5.3.2),
[单选题]腰椎间盘突出症术后的常见并发症为 ( )
A. 神经根粘连
B. 感染
C. 出血
D. 截瘫
E. 窒息
[单选题](id9093)(质量中心)在雷暴的云团中,颠簸最为强烈的部分是哪里?
A.内部上升气流的地方
B.内部上升和下降气流混合的地方。
C.内部下降气流的地方
[判断题]王某涉嫌投放危险物质罪,因其正哺乳自己的婴儿,公安机关决定对其监视居住。在监视居住期间,王某可以和自己的辩护律师会见、通电话。
A.正确
B.错误
[判断题]特高频幅值定位法只能大概确定某一设备或区域,且有时几个检测部位信号幅值差别很小无法判断,甚至某些情况会出现离信号远的部位幅值比离信号源近的部位还要大。
A.正确
B.错误
[填空题]综合录井仪钻井液电导率传感器标定,测量点不少于( )[每空1分]
[多选题]按所用材料不同,电缆内护套分为(____)
A.金属护套
B.非金属(橡塑)护套
C.组合护套
D.复合护套
[单项选择]鱼胆中毒最主要的是
A. 草鱼胆
B. 鲤鱼胆
C. 泥鳅胆
D. 鲢鱼胆
E. 青鱼胆
[单项选择]对防水要求高且耐用年限长的建筑防水工程,宜优先选用( )。
A. 氯化聚乙烯防水卷材
B. 聚氯乙烯防水卷材
C. APP改性沥青防水卷材
D. 三元乙丙橡胶防水卷材