热门试题:
[判断题]无味可可粉主要用于制品的装饰原料。
A.正确
B.错误
[单选题]（ ）变电站全部停电时，应将各个可能来电侧的部分接地短路，其余部分不必每段都装设接地线或合上接地刀闸（装置）。
A.中间
B.升压
C.枢纽
D.降压
[单选题]钢材市场属于（ ）。
A.消费者市场
B.生产者市场
C.中间商市场
D.政府市场
[多选题]吊柱（）符合设计要求，锈蚀面积不超过20%。
A.型号
B.规格
C.防腐措施
D.材质
[判断题]泵整体发热,后部温度比前部略高,这是泵启动后出口阀门未开大,机械能变成了热能。( )
A.正确
B.错误
[单选题]火场常用19㎜口径水枪，流量为多少L/S？
A.A、5
B.B、5.5
C.C、6
D.D、6.5
[多选题]下列哪些属于防治自然发火措施:( )。
A.灌浆
B.阻化剂
C.均压技术
D.注氮
E.注凝胶
[单选题]招标 异议处理决定应在受理之日起（）个工作日内做出。
A.
15
B.
20
C.
25
D.
30
[单选题]安全线及避难线上,禁止停留机车车辆;在超过( )坡度的线路上,不得无动力停留机车车辆。J305
A. 6‰
B.. 10‰
C.1‰
[多选题]“四全”安全管理中的“四全”指的是（ ）、（ ）、（ ）、（ ）。
A.全员
B.全面
C.全过程
D.全天候
[单项选择]男性，64岁，进行性无痛性黄疸1个月，上腹胀痛，体重减轻。检查：巩膜及周身皮肤黄染，P90次／分，BP140/70mmHg，血清总胆红素为70μmol/L，Courvoisier征阳性。为进一步确诊应首先选用（）
A. PTC
B. ERCP
C. CT
D. MRI
E. BUS
[单项选择]《濒湖脉学》中记载了多少种脉象
A. 26
B. 24
C. 27
D. 28
E. 32
[单选题]在正线、到发线及超过（ ）坡度的线路上禁止手推调车（确需手推调车时，须经铁路局批准）。
A.1.5‰
B.2.5‰
C.6‰
D.12‰
[单选题]女，23岁。妊娠28周，尿糖阳性，OGTT空腹血糖正常，餐后1小时血糖升高。应该首先给予的治疗是（ ）。
A.加强营养
B.控制饮食
C.胰岛素治疗
D.口服降糖药物
E.观察
[单项选择]CO2气体保护焊时，焊接速度对( )影响最大。
A. 是否产生夹渣
B. 焊缝区的力学性能
C. 是否产生咬边
D. 焊道形状
[单选题] 外电网综合质量采集设备，电压采集点在（）。
A.配电箱闸刀内侧
B.配电箱闸刀外侧
C.配电箱闸刀内
D.配电箱闸刀输出端
[多选题]卸甲醇合成催化剂停车具备的条件是( )。
A.催化剂钝化完毕
B.空气置换系统
C.氮气置换系统
D.催化剂床层温度低于60℃
[多选题]抽油机井防冲距的大小是根据( )来确定的。
A.井深
B.泵径
C.下泵深度
D.冲程
[单项选择]下列不属于基因工程最基本工具的是（）。
A. 限制酶
B. mRNA
C. DNA连接酶
D. 运载体
[单项选择]属于抗甲状腺药的是
A. 磺酰脲类
B. 甲状腺激素
C. 硫脲类
D. 糖皮质激素
E. 胰岛素
[多项选择]聚合物胶束的载药法有（）
A. 物理法
B. 化学法
C. 静电法
D. 液中干燥法
E. 多孔离心法
[单选题]稳压二极管的正常工作状态是( )。
A.导通状态
B.截至状态
C.反向击穿状态
[多选题]某县KTV违规接纳未成年人，违法所得100元。文化行政部门可以处以_________的行政处罚。
A.没收违法所得
B.罚款5万元
C.罚款3万元
D.吊销许可证
[单项选择]
B
根据下面短文回答下列问题。
A lighthouse is a tall building. It has a big light at the top. It is usually built on a cliff (悬崖) or near a harbor (港湾). People on ships can see the light from far away. They know there is danger where the light shines (发光). They stay away from it.
The first lighthouse was built in Egypt long ago. It was over 100 meters high and was made of white stone. On the top floor were rooms with open windows. Fires were burning in the rooms at night to warn (警告) ships they were near the harbor.
Later, lighthouses were built in many places. Whole families lived inside them and made sure the oil light was burning.
Today lighthouses have electric lamps and even horns. There is no need for anyone to live in them as the light or horn can be controlled automatically.
The first lighthouse used ______ to warn ships when they were near the harbor.
A. fire
B. oil light
C. electric lamps
[单项选择]桩冠冠桩的直径应是根径的
A. 1/2
B. 1/3
C. 1/4
D. 1/5
E. 2/3
[单选题]：工会对生产经营单位违反安全生产法律、法规，侵犯从业人员合法权益的行为，有权（）
A.要求纠正
B.生产经营单位必须立即作出处理
C.向生产经营单位建议组织从业人员撤离危险场所
[判断题]钻孔前先用样冲在孔中心线上打出样冲眼,用钻尖对准样冲眼锪一个小坑,检查小坑与所划孔的圆周线是否同心(称试钻)。( )(易)
A.正确
B.错误
[单选题]爱岗敬业的具体要求是( )。
A.看效益决定是否爱岗
B.转变择业观念
C.提高职业技能
D.增强把握择业的机遇意识
[单项选择]被誉为“方书之祖”的医书是
A. 《太平圣惠方》
B. 《普济方》
C. 《伤寒杂病论》
D. 《备急千金要方》
[单选题]手制动钢丝绳应有（ ）的松弛量。
A.80~100mm
B.90~120mm
C.80~120mm
D.90~100mm
[单项选择]突出煤层采掘工作面爆破工作必须由固定的（）爆破工担任。
A. 专职
B. 兼职
C. 任意
[单项选择]
Have you (61) asked yourself why children go to school You will probable say that they go (62) their own language and other languages, arithmetic, history, science and (63) subjects. That is quite true; but why do they learn these things And are these things (64) that they learn at school
We (65) our children to school to (66) them for the time (67) they will be big and will have to work (68) themselves. Nearly all they study at school has some (69) use in their life, but is that the only reason (70) they go to school
There is (71) in education than just learning facts. We go to school (72) all to learn how to learn, (73) when we have (74) school we can continue to learn. A man who really knows (75) will always be successful, because (76) he has to do something new which he. Has never had to do (77) , he will rapidly teach himself how to do it in
A. on another hand
B. on other hand
C. on the other hands
D. on the other hand
[单选题] 甲在某商场前拦住乙准备抢钱，因人多一时难以下手。刚好丙经过此地，因为丙与甲认识，就对甲说：“快点下手，我来给你打掩护。”甲在丙的掩护下抢走了乙的钱物。则丙在此犯罪中( )。
A. 是主犯
B. 是从犯
C. 是教唆犯
D. 不构成犯罪
[单项选择]陆相沉积盆地中的沉积岩成为（）。
A. 化学岩
B. 碎屑岩
C. 陆相沉积岩
D. 海相沉积岩
