热门试题:
[判断题]对新安装的或设备回路有较大变动的装置在投入运行以前,必须用一次电流及工作电压加以检验和判定。
A.正确
B.错误
[单选题]直供运行模式是仅由电热装置()的系统运行方式。
A.A、直接供暖;
B.间接供暖;
C.直接运行;
D.间接运行
[填空题]以下程序输出的结果是 。
#include<iostream.h>
void main( )
{
int a=5,b=4,c=3,d;
d=(a>b>c) ;
cout < < d;
}
[简答题]LFE21020当风电机组发生火灾事故应采取哪些措施?
[单项选择]
Only three strategies are available for controlling cancer: prevention, screening and treatment. Lung cancer causes more deaths than any other types of cancer. A major cause of the disease is not (21) known; there is no (22) evidence that screening is much help; and treatment (23) in about 90 percent of all cases, at present, therefore, the main strategy must be (24) . This may not always be true, of course, as for some other types of cancer, research (25) the past few decades, has suggested some importance in prevention, screening or treatment. (26) , however, we consider not what research may one day offer but what today’s knowledge could already deliver that is not being delivered, then the most practicable and cost-effective opportunities for (27) premature death from cancer, especially lung cancer, probably involve neither screening nor improved treatment, (28) prevention.
This conclusion does not depend o
A. publicly
B. hardly
C. widely
D. reliably
[单选题]TDCS系统中( )负责处理主干线中基础网络通信。
A.通信机
B.交换机
C.路由器
D.协议转换器
[单项选择]《全民所有制工业企业厂长工作条例》规定,法律顾问对谁负责( )。
A. 副厂长
B. 厂长
C. 总经济师
D. 总会计师
[多项选择]筛砂的三种方法有()
A. 振动筛
B. 风选
C. 转辊除砂饥
D. 滚筒筛
[判断题]普通平键联接的主要失效形式是较弱零件的工作面被压溃。
A.正确
B.错误
[单选题]在自动闭塞区间,遇机车信号发生故障时,列车以不超过()的速度运行至前方站。
A.15km/h;
B.20km/h;
C.25km/h;
D.30km/h
[单项选择]一病人6周前行走时摔倒,造成右腕部肿胀,活动障碍,拍X线片证实为右腕Colles骨折,给予整复后石膏外固定,6周后拆除石膏发现右手腕及各手指屈伸均明显受限,其主要原因是()。
A. 骨折时可能合并手指的关节损伤
B. 骨折时可能合并正中神经或尺神经损伤
C. 骨折时可能合并手指的屈肌腱损伤
D. 骨折后使用石膏造成压迫,引起手的缺血性挛缩
E. 骨折后石膏固定期间手指的主、被动活动锻炼不够,造成关节僵硬
[多项选择]建筑中水处理工艺中采用______等方法。
A. 截流
B. 气浮
C. 沉淀
D. 吹脱
[判断题]键和销都是标准件,键通常用于零件的连接和定位。( )
A.正确
B.错误
[判断题]汽包膨胀指示器只是在每次大修时检查是否指示零位。( )
A.正确
B.错误
[不定项选择题]男,65岁,近2年来右上肢抖动,动作迟缓面容呆板,行走起步困难,查体右上下肢肌张力增高,齿轮样动作
该患者发病机制可能是
A.纹状体区内乙酰胆碱含量增加,使多巴胺含量减少
B.纹状体区内多巴胺受体敏感性增加
C.黑质区多巴胺脱羧酶增多
D.黑质区单胺氧化酶减少
E.黑质区酪氨酸羧化酶减少
[判断题]要精简文件简报,切实改进文风,没有实质内容、可发可不发的文件、简报一律不发。( )
A.正确
B.错误
[单项选择]肾病综合征与慢性肾炎的主要区别是
A. 水肿明显
B. 血浆白蛋白降低明显
C. 胆固醇增高
D. 有血尿、高血压
[简答题]简述《铁路通信维护规则》中高频开关电源半年度维修项目
[单选题]( )是指单位类客户在商业银行办理的约定期限、整笔存入,到期一次性支取本息的存款类型。
A.单位活期存款
B.单位定期存款
C.单位通知存款
D.单位协定存款
[单选题]该孕妇此时首先的处理应是( )
A.门诊治疗并注意随访
B.静脉滴注硫酸镁
C.立即人工破膜
D.行剖宫产术
E.静脉滴注催产素
[单选题]纵横梁连接铆钉有拔头,其劣化等级为()。
A.A1级
B.AA级
C.B级
D.C级
[单选题]下列哪项不是牛蒡子的功效
A.明目退翳
B.透疹利咽
C.解毒消肿
D.宣肺祛痰
E.疏散风热
[多项选择]白芍的主治病证有()
A. 自汗盗汗
B. 阴虚阳亢
C. 阴虚燥咳
D. 血虚萎黄
E. 四肢拘挛作痛
[单选题]在钢和铸铁的工件上加主同样直径的内螺纹时,钢件的底孔直径比铸铁的底孔直径( )。
A.稍大
B.稍小
C.相等
D.中等
[单选题]水合氯醛可用于( )
A.抗癫痫
B.抗惊厥
C.二者均可
D.二者均否
[单项选择]钼缺乏患者的非特异性临床表现为()
A. 昏迷
B. 心动过速
C. 呼吸急促
D. 夜盲
E. 以上全是
[多项选择]根据商标的使用途径和商标权人的不同,商标可分为( )。
A. 商品商标
B. 服务商标
C. 立体商标
D. 集体商标
E. 证明商标
[多选题] “少说”的话主要示例有:( )
A.不行,不好,不是,不对,不会
B.没长性,没出息,没教养, 没救了
C.不听话,不学好, 不努力,不认真,不专心, 不细心,不检查, 不争气, 不 求上进
D.不理想,不想干, 不愿意,做不了,搞不好, 没机会
[多选题]重要电力用户的供电电源应采用()供电。
A.A、多电源、
B.B、双电源、
C.C、双回路、
D.D、保安电源
[单项选择]甲将一辆汽车以15万元卖给乙,乙付清全款,双方约定7日后交付该车并办理过户手续。丙知道此交易后,向甲表示愿以18万元购买该车,甲当即答应并与丙办理了过户手续。乙起诉甲、丙,要求判令汽车归己所有,并赔偿其因不能及时使用汽车而发生的损失。关于该汽车的归属,下列说法正确的是()。
A. 归丙所有,且只有甲应当对乙承担违约责任,赔偿其损失
B. 归乙所有,丙只能请求甲承担赔偿责任
C. 归丙所有,但甲、丙应赔偿乙的损失
D. 归丙所有,但丙应赔偿乙的损失
[单选题]()用于记录、核算和反映实行财政直接支付方式的资金活动。
A.垫款账户
B.特设专户
C.财政零余额账户
D.预算单位零余额账户
[单项选择]
It doesn’t matter when or how long a person sleeps, but everyone needs some rest to stay alive. That’s what all doctors’ thought, until they heard about Jercy Page. Jercy Page, it was said, never slept. Could this be true The doctors decided to see this strange man by themselves.
Jercy Page was ninety years old when the doctors came to his home in New Jersey. They thought for sure that he got some sleep of some kind. So they stayed with him and watched every movement he made. But they were surprised. Though they watched him hour after hour and day after day, they never saw Jercy Page sleeping. Actually, he did not even own a bed. He never needed one.
The only rest that Jercy Page got was sitting in a comfortable chair and reading newspapers. The doctors were puzzled by this strange continuous sleeplessness. They asked him many questions, hoping to find an answer. They found only one answer that might explain his condition. Page remembered some ta
A. large numbers of people do not need sleep
B. a person was found who actually didn’t need any sleep
C. everyone needs some sleep to stay alive
D. people can live longer by trying not to sleep
[多选题]应急预案的附件信息应当包括( )。
A.应急组织机构和人员的联系方式
B.危险源清单
C.应急物资储备清单
D.规范化格式文本
E.术语和定义
[单选题]刑事制裁也称刑罚,是()对犯罪行为实施的惩罚措施。
A.公安机关
B.人民法院
C.人民检察院
D.国家行政机关
[简答题]热休克蛋白(heat shock protein, HSP)
[单项选择]以下能在窗体Forml的标题栏中显示“Visual Basic窗体”的语句是( )。
A. FormNamer="VisualBasic窗体"
B. FormTitle="VisualBasic窗体"
C. FormCaption="VisualBasic窗体"
D. FormText="VisualBasic窗体"