热门试题:
[判断题]施工单位应当根据不同施工阶段和周围环境及季节、气候的变化,在施工现场采取相应的安全施工措施。( )
A.正确
B.错误
[多项选择]著名的英国费希尔．克拉克的产业分类体系，将国民经济各部门划分为（）
A. 农业
B. 工业
C. 第三产业
D. 教育产业
[单选题]气体灭火系统防护区应设置泄压口，七氟丙烷灭火系统的泄压口应位于防护区净高的（）以上。
A.1212122020年1月2日
B.1212122020年2月3日
C.1212122020年3月4日
D.略
E.略
F.略
[单项选择]对于不连续的同一表面，可用以下哪一种连接后标注一次尺寸。（）
A. 双点划线
B. 细点划线
C. 虚线
D. 细实线
[单选题]对需要取样的套管，在停电检修时，从（）取样。
A.取样阀
B.取样孔
C.取样口
D.取样端
[判断题]压力表校验后,不必加铅封可直接使用。( )
A.正确
B.错误
[判断题]400激光焊是一种利用激光的热量和压力进行的焊接，是压力焊的一种。
A.正确
B.错误
[判断题]作业时,一旦发生自锁器失效,应坚持吧工作做完,再更换自锁器。
A.正确
B.错误
[单选题]关于通用造价，以下说法正确的是（）？
A.材料人工运距全部按20m暂计
B.建设场地征用及清理费暂不考虑
C.材料汽车运距全部按15Km暂计
D.余土外运暂不考虑
[判断题]经本单位批准允许单独巡视高压设备的人员巡视高压设备时,如果确因工作需要,可临时移开或越过遮栏,事后应立即恢复。( )
A.正确
B.错误
[多项选择]自动转换开关在（）情况下会带着负载从一个电源自动切换至另一个电源。
A. 欠压
B. 电流过小或过大
C. 频率出现偏差
D. 任意一相断相
[单选题]防滑系统执行以下两个功能：一是防滑，二是车轮滑行控制。
A.正确
B.错误
C.a.供风
D.b.网络控制
E.c.转向架
[单项选择]手工会计数据处理流程是( )。
A. 收集原始数据、会计数据处理、会计信息报告、会计数据存储
B. 原始凭证、记账凭证、会计信息报告、会计数据存储
C. 整理记账凭证、登记账簿、会计数据存储
D. 收集原始数据、会计数据处理、会计数据存储、会计信息报告
[单项选择]女性，18岁，体检发现心尖部有舒张期隆隆样杂音，心律整齐，HR76次/分，双肺(-)，肝不大，下肢不肿；既往体健。其适合的处理为
A. 长期服用洋地黄
B. 长期使用小剂量利尿剂
C. 避免感冒及重体力劳动
D. 卧床休息，减轻心脏负荷
E. 像正常青年人一样活动
[单项选择]Many Americans harbor a grossly distorted and exaggerated view of most of the risks surrounding food. Fergus Clydesdale, head of the department of food science and nutrition at the University of Massachusetts-Amherst, says bluntly that if the dangers from bacterially contaminated chicken were as great as some people believe, "the streets would be littered with people lying here and there."
Though the public increasingly demands no-risk food, there is no such thing. Bruce Ames, chairman of the biochemistry department at the University of California, Berkeley, points out that up to 10% of a plant’s weight is made up of natural pesticide (杀虫剂). Says he. "Since plants do not have jaws or teeth to protect themselves, they employ chemical warfare." And many naturally produced chemicals, though occurring in tiny amounts, prove in laboratory tests to be strong carcinogens--a substance that can cause cancer. Mushrooms (蘑菇) might be banned if they were judged by the same standards that appl
A. many vegetables contain deadly natural chemicals
B. almost all foods have additives
C. no food is free from pollution in the environment
D. pesticides are widely used in agriculture
[单选题]为防止安全事故的发生,安全员处理此事的下列方法正确的是()。
A.扣件检验不合格,将所有扣件清除出现场,追回已使用的扣件,并向有关负责人报告追查不合格产品的来源。
B.告诉工人将坏掉的扣件保留,以便万一发生事故时留作证据
C.把坏掉的扣件扔掉,好的继续使用
D.保存此批扣件,用于上部脚手架的搭设
[单选题]下列不属于冷菜味型的是( )。
A.红油肚丝
B. 麻酱三鲜
C.糖醋小排
D.鱼香肉丝
[单选题]患儿,女,9个月。呕吐、腹泻4天,眼窝轻度凹陷,口唇略干,皮肤弹性稍差,尿量略少,血清钠142mmol/L。判断该患儿的脱水程度是
A.无脱水
B.轻度脱水
C.中度脱水
D.重度脱水
E.极重度脱水
[单选题]万能工的形式最早出现在()
A.法国
B.英国
C.德国
D.美国
[判断题] 火灾发生后,断电时高压应先操作断路器后操作隔离开关。 ( )
A.正确
B.错误
[单项选择]抗日战争时期，规定“三三制”的宪法性文件是（）。
A. 《陕甘宁边区施政纲领》
B. 《陕甘宁边区宪法原则》
C. 《中华苏维埃共和国宪法大纲》
D. 《华北人民政府施政方针》
[单项选择]
Passage Two
There was a big pile of bricks on the top of a tall building and a man had to bring them down to the ground. He had a long rope which went over a pulley (滑轮) at the roof of the building. The other end was fastened to a big box.
First he pulled the box up to the top of the building, and fastened the end of the rope so that the box could not come down. Then he climbed up the ladder and filled the box with bricks. Next he climbed down the ladder and untied the rope. Unfortunately the box of bricks was heavier than the man, and as a result he was pulled up by the rope. Half-way up, the box of bricks hit him as it was coming down.
When he reached the top, his head hit the pulley. The box of bricks hit the ground and broke. As a result the bricks fell out. The box was then lighter than the man and consequently he began to come down and the box began to go up.
Half-way up, the box hit the man. The man still held on to the rope and the b
A. the box of bricks
B. the ladder
C. the top of the buliding
D. the pulley
[单项选择]《机电产品国际招标投标实施办法》规定，采用邀请招标方式的项目，应当向( )备案。
A. 商务部
B. 人事部
C. 住房和城乡建设部
D. 科学技术部
[多选题]为保证安全输血,应严格执行输血查对制度【多选题】
A.根据医嘱,输血及血液制品的申请单,需经二人核对患者姓名、病案号、血型(含Rh因子)、肝功,并与患者核实后方可抽血配型
B.查采血日期、血液有无凝血块或溶血,并查血袋有无破裂
C.查输血单与血袋标签上供血者的姓名、血型(含Rh因子)及血量否相符,交叉配血报告有无凝集,输血前需两人核对患者床号、姓名、住院号及血型(含Rh因子),无误后方可输入
D.输血完毕应保留血袋24小时,必要时送检,输血单应保留在病历中
[单选题]目标控制的基本方法中，C表示（ ）。
A.计划
B.实施
C.检查
D.处置
[单选题]拼多多是以( )模式形成规模效应的
A.消费体验分享
B.社交拼团
C.内容电商
D.网红电商
[单项选择]关于视神经，错误的是( )
A. 眶内段最长，活动度最大
B. 视神经鞘膜内间隙与大脑同名间隙相通，故颅内压升高易出现视乳头水肿
C. 筛板前视神经无髓鞘
D. 视乳头血供全部来源于Zinn环
E. 视神经管内段神经鞘膜与骨膜紧密结合，因此外伤时易受损伤
[多项选择]生产的外延流通加工包括（ ）。
A. 剪断
B. 打孔
C. 配货
D. 拣选
E. 配套
[单项选择]松贝的性状特征是( )
A. 怀中抱月
B. 虎皮斑
C. 狮子盘头
D. 黄马褂
E. 朱砂点
[单选题] 对塔形井架组织绞车上钻台就位,牵引绳套直径不低于( )。
A.10 mm
B.14 mm
C.16 mm
D.19 mm
[单选题]下列不属于执法活动的是∶
A.市场监督管理局给某企业颁发营业执照
B.人民法院对王某盗窃一案进行审理
C.县物价局进行物价大检查
D.县公安局将违反治安管理的李某拘留
[单项选择]慢性气管炎早期最可能发生的肺功能改变是
A. MVV降低
B. FEV1降低
C. MMFR降低
D. 小呼吸道功能异常
[单项选择]某患者58岁，已绝经多年，几个月来常有少量不规则出血，来院检查诊断为子宫内膜癌。下述不是该病特点的是
A. 转移较晚
B. 绝经后妇女多见
C. 生长缓慢
D. 疼痛出现较早
E. 预后较好
[判断题]施工单位不得转包或者违法分包工程。（）( )
A.正确
B.错误
[单项选择]
I shall always remember my tenth birthday. All my friends came (1) my birthday party.
When the time (2) near for me to be ready for the party, I (3) my birthday dress and went into the hall where everyone was (4) for me. I saw a lot of lovely presents. They had been (5) for me by the guests.
A few minutes (6) , my parents brought my birthday cake (蛋糕) with ten candles (蜡烛) on it. I was then asked to cut (7) and the guests were served. Music (8) during the party. The guests were talking and laughing.
(9) the party, I thanked my parents (10) holding such a lovely birthday party for me.
6（）
A. late
B. later
C. latest
[单项选择]改造第一艘集装箱船的国家是______。
A. 美国
B. 英国
C. 中国
D. 日本
