热门试题:
[单选题]在气相色谱法中使用氢火焰离子化检测器时,载气流量一般为( )mL/min.
A.20~40
B.100~120
C.40~80
D.80~100
[单选题]189.(82918)螺杆泵采油系统按驱动方式可划分为主要驱动和辅助驱动两大类。
A.正确
B.错误
[单选题]飞机飞行的俯仰角为[1分]
A.飞机纵轴与飞行速度向量的夹角
B.飞机纵轴与水平面的夹角
C.飞行速度与水平面的夹角
[单选题]对鼠标点击按钮操作进行事件处理的接口是：
A.MouseListener
B.WindowsListener
C.ActionListener
D.KeyListener
[单选题]
如图所示，绝缘遮蔽用具名称是（）。
A.杆头遮蔽罩
B.绝缘子遮蔽罩
C.横担遮蔽罩
D.电杆遮蔽罩
[判断题]农户消费贷款且金额不超过３０万元可经农村金融机构同意采取借款人自主支付。
A.正确
B.错误
[判断题]竣工投运前的验收，在高压出线处验收时，要严格落实防静电措施，作业人员穿屏蔽服作业。（）
A.正确
B.错误
[判断题]列车因旅客吸烟降速停车后，列车长要亲自到车厢内宣传降速停车原因，并提醒旅客不要在动车组内吸烟。
A.正确
B.错误
[单选题]遇列车严重超员时，不能办理（）。
A.越站
B.分乘
C.变更
D.变径
[单选题]安全生产监督管理部门、煤矿安全监察机构及其工作人员应当坚持( )的原则，颁发资质证书。
A. 公开
B. 公平
C. 公正
D. 以上都正确
[单选题]8.10kV 柱上隔离开关安装方式有斜角安装或（ ）两种。
A.垂直安装
B.水平倒装
C.水平正装
D.正角安装
[单项选择]大型预制构件平板拖车运输，时速宜控制在（）km/h以内。
A. 4.0
B. 5.0
C. 6.0
D. 7.0
[多选题]并网光伏供电系统作为一种分散式发电系统，对传统的集
中供电系统的电网会产生（ ）等不良影响。
A.电流不稳
B.热能流失
C.谐波污染
D.孤岛效应
E.维护成本高
[单项选择]体液补体抑制因子是（）。
A. C1q
B. IgG1
C. IL-2
D. H因子
E. B因子
[单项选择]以下程序的功能是：建立一个带有头结点的单向链表，并将存储在数组中的字符依次转存到链表的各个结点中，请为下划线处选择正确的选项。
#include ＜ stdlib. h ＞
stuct node
char data; struct node * next; ;
( ) CreatList(char * s)
struet node * h, * p, * q;
h = (struet node * ) ma]loc(sizeof(struct node) );
p=q=h;
while( * s! =’/0’)
p = ( struct node * ) ma]loc ( sizeof( struct node) );
p- ＞data= *s; q- ＞next=p; q=p;
s++;
p- ＞ next =’/0’;
return h
main( )
char str[ ] = "link list";
struet node * head;
head = CreatList (str);
A. char *
B. struet node
C. struct node *
D. char
[判断题]关系到党的整个事业和党的建设的决定因素是党的政治路线正确与否。( )
A.正确
B.错误
[多项选择]左心衰竭可能症状有（）。
A. 夜间阵发性呼吸困难
B. 心悸
C. 劳累性呼吸困难
D. 严重者可发生端坐呼吸
E. 心前区疼痛
[单项选择]1岁小儿的动作能，不可能的是（ ）
A. 会爬
B. 会拍手
C. 会自己坐起来
D. 会骑三轮车
E. 会弯腰拾东西
[多项选择]重点部位检查的范围包括（）。
A. 禁闭室
B. 罪犯医院
C. 狱内较隐蔽区域
D. 变电所
[多选题]严禁( )停靠。
A.松软或者路基薄弱的地带
B. 高压线下
C. 危险建(构)筑物旁
D. 安全地
[填空题]Justice in society must include both a fair trial to the accused and the selection of an appropriate punishment for those proven guilty. Because justice is regarded as one form of equality ,we find in its earlier expressions the idea of a punishment equal to the crime. Recorded in the Bible is the expression "an eye for an eye, and a tooth for a tooth." That is, the individual who has done wrong has committed an offense against society. 46 ) To make repayment for this offense ,society must get equally balanced, which can be done only imposing an equal injury upon him. 47) This conception of deserved-punishment justice is reflected in many parts of the legal codes and procedures of modern times, which is illustrated when we demand the death penalty for a person who has committed murder. This philosophy of punishment was supported by the German idealist Hegel, who believed that society owed it to the criminal to put into operation a punishment equal to the crime he had committed. 48) The
[填空题] 在客货共线的线路上，站内相邻两线只有一条通行超限货物列车时，线间最小距离是( )mm。
[判断题]
【判断题】为进一步优化税收营商环境,税务总局将取消增值税发票认证范围扩大到纳税信用级别为C级以上的纳税人。
A.正确
B.错误
[填空题]To protect his new invention, __________ (我叔叔申请了专利).
[单选题]医务人员在医学道德方面所进行的自我教育、自我锻炼和自我陶冶过程，以及在此基础上达到的医德境界，叫做( )。
A.医德修养
B.自我修养
C.个人修养
D.医德实践
[单选题] 机动车白天在道路上发生故障,妨碍交通又难以移动的,应当按规定开启 ( )并在距来车方向50米至100米处设置警告标志。
A.示廓灯
B.后位灯
C.远光灯
D.危险报警闪光灯
[单选题]运维班应根据变电站巡视检查项目和周期，制定智能巡检机器人巡视任务和巡视周期。三类变电站每( )不少于1次；四类变电站每两周不少于1次。
A.3天
B.2天
C.两周
D.周
[单选题]免疫组织化学染色中，抗体的温育时间是( )
A.抗体效价高，温育时间短
B. 抗体效价低，温育时间长
C. 抗体稀释度越高，温育时间越长
D. 抗体浓度越高，温育时间越长
E. 抗体浓度越低，温育时间越短
[判断题]车载LKJ设备Ⅱ级修以性能调试和更换易损易耗件为主。( )
A.正确
B.错误
[简答题]阅读下面一段文字，然后回答题。
他的苦恼刚淡忘了不久，如今重又出现，更有力地撕扯他的胸膛。姚纳的眼睛不安而又痛苦地打量街道两旁川流不息的人群：在这成千上万的人当中有没有一个人愿意听他倾诉衷曲呢然而人群奔走不停，谁都没有注意到他，更没有注意到他的苦恼。……那种苦恼是广大无垠的。如果姚纳的胸膛裂开，那种苦恼滚滚地涌出来，那它仿佛就会淹没全世界，可是话虽如此，它却是人们看不见的。这种苦恼竟包藏在一个渺小的躯壳里…
这段描写采用的是什么描写方法其作用是什么
[单项选择]Language learning begins with listening. Individual children vary greatly in the amount of listening they do before they start speaking, and late starters are often long listeners. Most children will "obey" spoken instructions some time before they Can speak, though the word "obey" is hardly accurate as a description of the eager and delighted cooperation usually shown by the child. Before they can speak, many children will also ask questions by gestures and by making questioning noises.
Any attempt to trace the development from the noises babies make to their first spoken words leads to considerable difficulties. It is agreed that they enjoy making noises, and that during the first few months one or two noises sort themselves out as particularly indicative of delight, distress, sociability, and so on. But since these cannot be said to show the baby’s intention to communicate, they can hardly be regarded as early forms of language. It is agreed, too, that from about three months t
A. a sign that he means to tell you something
B. a reflection of his moods and feelings
C. can imitation of the spoken of adults
D. an early form of language
[多选题]满足下列（ ）条件时即为欠重列车。
A.列车牵引重量按运行图规定的牵引定数欠81T及以上
B.列车换长欠1.3及以上
C.列车连续运行距离超过规定机车乘务区段的1/2
D.货物列车
[判断题]无人机数字图传的优点是价格低廉，缺点是使用不便、画质较差。
A.正确
B.错误
[单项选择]齿轮油广泛用于齿轮传动润滑，具有较高的粘度和_（）能力
A. 负荷
B. 受压
C. 抗热
D. 承载
[单项选择]因食物中毒事件被封存的食品，应当在被封存之日起（）日内，完成检验或卫生学评价工作.
A. 10天
B. 15天
C. 30天
