相关试题
【单选题】
失去绿液压系统时___
A. 前轮操纵失去
B. 前轮操纵可工作
C. 前轮操纵处于备份
【单选题】
当绿系统压力不够时,防滞刹车___
A. 失去
B. 限制在2000PSI的刹车压力
C. 用蓝系统操纵
【单选题】
失去蓝系统和黄系统时,人工俯仰配平___
【单选题】
仅剩下黄系统时___
A. 失去刹车系统
B. 可进行7次全程刹车
C. 防滞仍可用
【单选题】
哪个液压系统由发动机驱动泵供压？___
A. 蓝系统和绿系统
B. 蓝系统和黄系统
C. 蓝系统,绿系统和黄系统
D. 绿系统和黄系统
【单选题】
正常使用中,蓝液压系统由谁供压___
A. 发动机驱动泵
B. 电动泵
C. 冲压空气涡轮
【单选题】
冲压空气涡轮可以在地面自动伸出吗___
【单选题】
液压系统的正常压力是多少___
A. 500psi
B. 1000psi
C. 2000psi
D. 3000psi
【单选题】
登革热病毒为黄病毒科中的黄病毒属，病毒耐___
【单选题】
安全生产“五要素”是指：___
A. 人、机、环境、管理、信息
B. 人、物、能量、信息、设备
C. 安全文化、安全法制、安全责任、安全科技、安全投入；
D. 监察、监管、教育、培训、工程。
【单选题】
我国现行工伤事故统计中，按照导致事故发生的原因，将工伤事故分为___。
A. 17类
B. 20类
C. 21类
D. 142类
【单选题】
事故隐患泛指生产系统中___的人的不安全行为、物的不安全状态和管理上的缺陷。
A. 经过评估
B. 存在
C. 可导致事故发生
D. 不容忽视
【单选题】
“动态相关性原则”告诉我们___。
A. 只有掌握事故发生的规律性，才能保证安全生产系统处于安全状态。
B. 如果管理系统的各要素都处于静止状态，就不会发生事故。
C. 推动管理活动的基本力量是人，因此，管理必须激发人的工作能力。
D. 激发人的内在潜力，使其充分发挥积极性、主动性和创造性。
【单选题】
根据《特种劳动防护用品安全标志实施细则》，特种劳动防护用品标志上盾牌中间采用字母“LA”，其表示的含意是：“___”之意。
A. 生产安全
B. 劳动安全
C. 人身安全
D. 劳保安全
【单选题】
不属于生产经营单位主要负责人安全生产教育培训内容的是___。
A. 工伤保险的政策、法律、法规
B. 安全生产管理知识和方法
C. 国家有关安全生产的方针、政策等
D. 典型事故案例分析
【单选题】
以下不属于安全教育培训方法的是___。
A. 实际操作演练法
B. 讲授法
C. 自学提高法
D. 读书指导法
【单选题】
以下属于物体打击伤害的选项是___。
A. 建筑物坍塌，员工被水泥板砸伤
B. 起吊的重物脱落，将员工击伤
C. 员工不慎坠落，撞击到脚手架导致死亡
D. 脚手架上坠落的钢筋打击员工头部，导致其死亡
【单选题】
造成事故发生的原因是很复杂，在采取措施时，就应分清轻重缓急，优先解决事故树的关键基本事件和最重要事件。反映基本事件重要程度的是___。
A. 事故百分度
B. 伤亡百分度
C. 结构重要度
D. 关键重要度
【单选题】
重大事故的应急管理一般分为___、准备、响应和恢复四个阶段。
【单选题】
重大危险源 ___是预防重大事故发生，而且做到一旦发生事故，能将事故危害限制到最低程度。
A. 控制的目的
B. 划分的意义
C. 评价的依据
D. 管理的作用
【单选题】
下列因素中，可能引起白血病的因素是___。
A. 激光
B. 电离辐射
C. 红外线
D. 射频辐射
【单选题】
从事易燃易爆作业的人员应穿___，以防静电危害。
A. 合成纤维工作服
B. 防油污工作服
C. 含金属纤维的棉布工作服
D. 普通工作服
【单选题】
危险化学品存在的主要危险有___。
A. 火灾，爆炸，中毒，窒息及污染环境
B. 火灾，爆炸，中毒，腐蚀及污染环境
C. 火灾，爆炸，感染，腐蚀及污染环境
D. 火灾，失效，中毒，腐蚀及污染环境
【单选题】
建筑物起火的___分钟内是灭火的最好时机，超过这个时间，就要设法逃离火灾现场。
【单选题】
人如长时间暴露在___噪声环境中，将导致永久性的听力损伤。
A. 80分贝
B. 120分贝
C. 180分贝
【单选题】
急性心肌梗死左心功能不全伴频发多源性室性早搏，用利多卡因无效，应优选下列哪种药物治疗?___
A. 普鲁卡因酰胺
B. 普罗帕酮
C. 胺碘酮
D. 氨酰心安
【单选题】
全国消防宣传日是哪一天？___
A. 11月9日
B. 1月19日
C. 12月9日
【单选题】
民用照明电路电压是以下哪种?___
A. 直流电压220伏
B. 交流电压280伏
C. 交流电压220伏
【单选题】
扑救电器火灾不应使用___灭火器。
A. 二氧化碳 灭火器
B. 干粉灭火器
C. 1211灭火器
D. 泡沫灭火器
【单选题】
使用灭火器扑救火灾时要对准火焰___喷射。
【单选题】
凡在坠落高度基准面___米及以上有可能坠落的高处进行的作业叫高处作业。
【单选题】
职业病的诊断应当由___以上人民政府卫生行政部门批准的医疗机构承担。
【单选题】
下列属于化学性危险、有害因素的是___.
A. 传染病媒介物
B. 有毒物质
C. 粉尘与气溶胶
D. 致病微生物
【单选题】
在重大事故应急救援体系中，___的重要职责是尽可能、尽快地控制并消除事故，营救受害人员。
A. 应急救援专家组
B. 消防与抢险
C. 医疗救治
D. 洗消去污组织
【单选题】
生产经营单位应建立并保持培训的程序，以便规范、持续的开展培训工作，确保员工具备必需的职业安全健康___.
A. 意识
B. 能力
C. 意识与能力
D. 知识与态度
推荐试题
【单选题】
22.There is ________ 800-metre-long road behind ________ hospital．
A. an; an B. an; the C. a; a D. a; the
【单选题】
23. — Did you see a girl in yellow pass by just now?
— No, sir. I ________ a magazine.
A. read B. am reading C. was reading D. would read
【单选题】
24.In fact, my parents are not only kind to me, but also strict ________ me.
A. at B. to C. for D. with
【单选题】
25. The boy_____ a yellow sweater can_____ himself now．
A. wearing; dress B. putting on; wear C. put on; dress D. dressing;
【单选题】
( ) 26. Where does the writer of "The little Prince" come from?
A．England． B．France． C．America． D．China．
【单选题】
( ) 27. What does the prince do after the fox tells him a secret?
A．He cares more about a flower and a sheep．
B．He meets many more strange adults on other planets．
C．He realizes his love for the rose and he goes back to his planet．
D．He discovers interesting things such as a snake, other roses and a fox．
【单选题】
( ) 28. What does "The little Prince" mainly talk about? It' s about _________．
A．the adult world B．the planet B -612
C．a rose and a fox D．the adventure of a young
【单选题】
( ) 29. When a baseball player hits the ball, he must ______ to get a point.
A. run to each base freely
B. touch the home plate first
C. touch all the bases with his hands
D. run to each base in order and touch it with his foot
【单选题】
( ) 30. When was the importance of touching all the bases shown?
A. Before the baseball rules made.
B. At the end of the 1974 baseball seasons.
C. At the start of the 1974 baseball seasons.
D. In the second week of 1974.
【单选题】
( ) 31. Who hit home run number 715?
A. Babe Ruth. B. Hank Aaron. C. Babe Ruth’s partner. D. Hank Aaron’s friend.
【单选题】
( ) 32. What does the expression “to touch all bases” mean?
A. To try your best to set a new record.
B. To get a chance to be the greatest hitter.
C. To do what is needed to finish an activity.
D. To solve the problems successfully.
【单选题】
( ) 33. The Chinese Yellow Sea Wetlands are in the _______ of China．
A．south B．east C．west D．north
【单选题】
( ) 34. Usually the weather in the wetlands is _______．
A．hot B．pleasant C．cold D．dry
【单选题】
( ) 35. The World Wetlands Day is on _______．
A．February 2 B．June 25 C．April 22 D．March 22
【单选题】
( ) 36. We must protect wetlands because _______．
A．they are home for wildlife B．they can prevent flood
C．they can offer food to the animals and birds D．all of the above
【单选题】
( ) 37.The greatest river for navigation is ___________.
A. the Nile B. the Amazon C. the Mekong D. the Mississippi
【单选题】
( ) 38. From a dam, people can use the water for ___________.
A. keeping the rivers clean B. only making electricity
C. irrigation and making electricity D. washing clothes
【单选题】
( ) 39. The water in the river is polluted because of _____________.
A. people's drinking water too much B. people's swimming in the river too much
C. chemicals and other materials D. people's building a dam across a river
【单选题】
( ) 40. The best title of the passage is ___________.
A. Rivers in Cities B. The importance of Rivers
C. Transportation D. Natural Resources
【单选题】
1.—Hello! This is Henry Speaking．I’d like to speak to your father．
—Sorry, he has Shanghai．
A. been in B. been to C. come to D. gone to
【单选题】
2. — It’s difficult for the village children to cross the river for school．
— I think a bridge ______ over the river．
A. was built B. is being built C. has been built D. should be built
【单选题】
3. —Where would you like to go, Jinan or Qufu?
— ．I only want to go to Qingdao．
A. Each B. Either C. Neither D. All
【单选题】
4. — The documentary A Bite Of China II is quite popular around China recently. How do you like it? — ______.
A. I think so B. Pretty good C. It’s my pleasure D. All right
【单选题】
5. There are three English-books on the shelf, but ______ of them is mine.
A. both B. neither C.all D. none
【单选题】
6. When the parents arrived at the hall, the students _______ their projects.
A. have finish B. finished C. had finished D. are finishing
【单选题】
7. This week, the _______ seems to change every day: one day is hot; the next day is cold.
A. time B. weather C. season D. way
【单选题】
8. He never does his work _______ Mary.
A. as careful as B. so careful as C. carefully as D. as carefully as
【单选题】
9. — Can he jump high?
— Yes, he ______. He is a good high jumper.
A. must B. need C. can D. shall
【单选题】
10. The shop _____ at 8:00 a．m．and it ________ for ten hours every day．
A. is open; has opened B. is opened; opens
C. opens; is open D. opened; opens
【单选题】
11. —Excuse me, may I use your bicycle? ______ is broken.
—Certainly. But remember to return it before lunch.
A. Mine B. Me C. Myself D. I
【单选题】
12. —Simon, what do I need to take for the hiking?
—You’d better ________ more water than usual. It’s hot today.
A. to take B. taking C. take D. took
【单选题】
13. Helen ______ to a language school when she was seven.
A. sent B. is sent C. will send D. was sent
【单选题】
14. — Is this park you’ve visited recently?
— Yes, it's the most beautiful one I’ve ever visited before.
A. that B. the one C. which D. the one which
【单选题】
15. — It’s difficult for the village children to cross the river for school.
— I think a bridge ________ over the river.
A. should be built B. is being built C. has been built D. was built
【单选题】
16. — Could you tell me when Mr. Li ________ in Huaibei?
— Sure．．When he ________, I’ll call you．
A. arrives; will arrive B. will arrive; will arrive
C. arrives; arrives D. will arrive; arrives
【单选题】
) 17.There is ________ 800-metre-long road behind ________ hospital．
A. an; an B. an; the C. a; a D. a; the
【单选题】
18. — Did you see a girl in yellow pass by just now?
— No, sir. I ________ a magazine.
A. read B. am reading C. was reading D. would read
【单选题】
19.In fact, my parents are not only kind to me, but also strict ________ me.
A. at B. to C. for D. with
【单选题】
20. The boy_____ a yellow sweater can_____ himself now．
A. wearing; dress B. putting on; wear C. put on; dress D. dressing; wear
【单选题】
21. —Jack, I haven’t seen your brother for a long time．
— He ________Shanghai on business for two months．
A. went to B. has gone to C. has been in D. has been to
