相关试题
【多选题】
为了防止气瓶受热，在使用中应注意的事项有哪些？___
A. 不得放在烈日下曝晒
B. 不得靠近火源及高温区，距明火不应小于10米
C. 不得用高压蒸气直接吹气瓶
D. 禁止用热水解冻及明火烘烤
E. 严禁用温度超过40℃的热源对气瓶加热
【多选题】
气瓶一般由___组成。
A. 瓶体
B. 瓶阀
C. 瓶帽
D. 底座
E. 防震圈
【多选题】
气瓶的安全使用应注意___
A. 防止气瓶受热
B. 正确操作
C. 气瓶使用到最后应留有余气，以防止混入其他气体或杂质而造成事故
D. 加强气瓶的维护
E. 气瓶使用单位不得自行改变充装气体的品种、擅自更换气瓶的颜色标志
【判断题】
施工中常见的土方工程有：场地平整、基坑（槽）开挖、地坪填土、基坑（槽）回填及路基填筑等
【判断题】
开挖过程中如发现滑坡迹象（如裂缝、滑动等）时，应暂停施工，必要时，所有人员和机械要撤至安全地点
【判断题】
在进行基坑作业时。作业人员上下坑沟应先挖好阶梯或设木梯，不应踩踏土壁及其支撑上下
【判断题】
在坑边堆放弃土，材料和移动施工机械，应与坑边保持一定距离。当土质良好时，要距坑边1.5 m以外，堆放高度不能超过1m
【判断题】
人工开挖土方时，两个人操作间距应保持1-2m，并应自上而下逐层挖掘
【判断题】
施工现场现浇的水平混凝土构件包括梁、板（楼板、屋面板）的模板支撑结构（支撑体系）是模板工程的重要组成部分，也是一项重要的安全技术
【判断题】
模板安装前要审查设计审批手续是否齐全，模板结构设计与施工说明中的荷载、计算方法、节点构造是否符合实际情况，是否有安装拆除方案
【判断题】
拼装高度为2m以上的竖向模板，可站在下层模板上拼装上层模板
【判断题】
竖向模板支架支承部分安装在基土上时，应加设垫板；如用钢管作支撑时在垫板上应加钢底座。垫板应有足够强度和支承面积
【判断题】
拆模之前必须有拆模申请，当混凝土养护试块强度达到规定要求时，经技术负责人批准后，方可拆模
【判断题】
拆摸时下方如果有人，拆模区应设警戒线，以防有人被砸伤
【判断题】
在拆模过程中，如发现实际混凝土强度并未达到要求，有影响结构安全的质量问题时，应暂停拆模，经妥当处理，实际强度达到要求后，方可继续拆除
【判断题】
钢丝绳在使用过程中会不断的磨损、弯曲、变形、锈蚀和断丝等，不能满足安全使用时应予报废，以免发生危险
【判断题】
钢丝绳在卷筒上缠绕时，要逐圈紧密地排列整齐，不应错叠或离缝
【判断题】
吊钩由于长期使用产生剥裂，必须对其焊接修补后方可继续使用
【判断题】
选用滑轮时，轮槽宽度应比钢丝绳直径大1～2.5mm
【判断题】
采用桅杆滑移法吊装作业，吊装过程中，工件绝对禁止碰撞桅杆
【判断题】
机械拆除建筑时，严禁机械超载作业或任意扩大机械使用范围
【判断题】
不同级别的爆破拆除工程有相应的设计施工难度，爆破拆除工程设计必须按级别经当地有关部门审核，做出安全评估和审查批准后方可实施
【判断题】
拆除施工在立体交叉、水平作业时，各工位间应有一定的安全距离
【判断题】
当临街的被拆除建筑与交通道路的安全距离不能满足要求时，必须采取相应的安全隔离措施
【判断题】
拆除原用于有毒有害、可燃气体的管道及容器时，必须查清其残留物的种类、化学性质，采取相应措施后，方可进行拆除施工
【判断题】
拆除工程施工时，设专人向被拆除的部位洒水降尘，减少对周围环境的扬尘污染
【判断题】
拆除工程施工过程中，当发生重大险情或生产安全事故时，应及时排除险情、组织抢救、保护事故现场，并向有关部门报告
【判断题】
装载机在倾斜的场地上作业时，作业区内不得有障碍物及无关人员
【判断题】
驾驶司机离开挖掘机驾驶室，不论时间长短必须将铲斗落地并关闭发动机
【判断题】
桩机作业时，严禁闲人进入。操作人员应在距桩锤中心3m以外监视
【判断题】
当风速超过七级，应将桩机顺风向停置，并增加缆风绳
【判断题】
打桩作业时，严禁在桩机垂直半径范围以外和桩锤或重物底下穿行停留
【判断题】
搅拌机作业中，当料斗升起时，严禁任何人在料斗下停留或通过
【判断题】
搅拌机在作业期较长的地区使用时，可用支腿将机架支起后，就可使用
【判断题】
搅拌机搅拌过程不宜停车，如因故必须停车，在再次启动前应卸除荷载，不得带载启动
【判断题】
切断机运转中，严禁用手清除切刀附近断头和杂物
【判断题】
钢筋切断机未达到正常运转时，不可切料。送料时应在固定刀片一侧握紧并压住钢筋，以防钢筋末端弹出伤人。可用两手分在刀片握住钢筋俯身送料
【判断题】
灰浆搅拌机运转中，不得用手或木棒等伸进搅拌筒内或在筒口清理灰浆
推荐试题
【单选题】
Tom is a book lover. ______ likes reading very much.
A. He B. She C. You D. It
【单选题】
—May I listen to the music here, Mr. White?
—Sorry, you’d better it like that．
A. not to do B. not do to
C. dont do D. not do
【单选题】
3.—Did you have a good time at Lauras birthday party?
— Yes, indeed. Its several years ________ I enjoyed myself so much.
A. when B. before C. since D. that
【单选题】
4. —___________ is the Summer Palace from here?
About three kilometers away. You can take the No. 35 bus.
A. How long B. How far C. How often D. How much
【单选题】
5. I was looking for a birthday gift for my mother, but I couldnt find ______ suitable.
A. anything B. something C. nothing D. everything
【单选题】
6. A friend of my ____ and I are going to visit_______ next week．
A. father; Browns B. father's; Browns
C. father; the Browns D. father's; the Browns
【单选题】
7. She ______ very hard since she came to our school.
A. studies B. has studied C. is studying D. studied
【单选题】
8. — Who will send you to the new school, your mom or your dad?
— _______. Ill go there by myself.
A. Both B. Either C. Neither D. None
【单选题】
9.—Well do what we can ____English well this term．
—It’s high time for you to work hard．
A. study B．to study C. be studied D. be studying
【单选题】
10. —I’m going to Flower Bookstore. Could you tell me ______?
— Sorry, I don’t know. I’m new here.
A. where it is B. where was it C. where is it D. where it was
【单选题】
11. How do you like the dishes, Eric?
— Fantastic! Nothing tastes ________.
A. nice B. better C. terrible D. worse
【单选题】
12. ______ Lin Feng has to work late, she always wears a smile on her face.
A. Because B. If C. Until D. Though
【单选题】
13.You can save money _______ you buy cheaper things.
A. before B. unless C. if D. until
【单选题】
14. We will have a _________ holiday after the exam．
A. two-month B. two month’s C. two month D. two-months
【单选题】
15. —We will build an underground in Xuzhou before 2015．
— Wow, _______! Will it pass our place?
A. what an excited news B. how excited the news is
C. what exciting news D. how exciting
【单选题】
16. — Emily, here’s a dictionary．I hope it will help you in some way．
— Thank you．It’s ________ what I need．
A. almost B. still C. only D. just
【单选题】
17. —Oh．I’m hungry．Mum, can I have the hamburger on the plate?
—No．It tastes ．
A. terribly B. terrible C. good D. well
【单选题】
18. —We can invite our teachers to the farewell party next Saturday.
—Yes, ______? I’ll call them at once.
A. what for B. what C. why not D. why
【单选题】
19.You can ________ ask the old man to move away to any other place because he has lived ________ here for at least sixty years．
A. hardly; alone B. hard; alone
C. hardly; lonely D. hardly; lonely
【单选题】
20.—I’m going back to see my grandparents this weekend．
—________．
A. It’s very nice of you B. You’d better hurry
C. Say goodbye to them D. Give my best wishes to them
【单选题】
21.—Why not take ____ umbrella with the sign “Made in China”? It is useful.
—What _______ good advice it is!
A. an; a B. a; a C. an; \ D. \; a
【单选题】
22. —Do you know the boy________ is sitting next to Peter?
— Yes. He is Peter’s friend. They are celebrating his ________ birthday.
A. who; ninth B. that; ninth C. /; ninth D. which; ninth
【单选题】
23. It was dark, ______ I couldnt see what was happening.
A. or B. though C. but D. so
【单选题】
24.—You can use MSN to talk with Vivien on the Internet.
—I know. But can you tell me ________?
A. what I can use it B. when I can use it
C. why can I use it D. how can I use it
【单选题】
25. _______ are you going to the School Uniform Exhibition, Amy ?
To learn about different styles of school uniform.
A. What B. Where C. Which D. Why
【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 prince
【单选题】
( ) 29. What is the writer's main purpose（目的）in writing this passage？
A．To tell the readers his life story．
B．To tell people what kind of person his father was．
C．To tell the readers what present he got from his father．
D． To let people know how poor he was．
【单选题】
( ) 30. Why did the father not ask his son not to do this and do that？
A．Because he felt quite confident of his son．
B．Because he was born from a poor family．
C．Because he was a man of few words．
D．Because he didn't want to be much too strict with his son．
【单选题】
( ) 31. What would someone learn from this passage？
A．How to live by oneself． B．How to stand on one's own feet．
C．What a good father should do． D．What the self-important is like．
【单选题】
( ) 32. What may be the proper Chinese for the underlined part in the passage？
A．闲暇时光 B．学费 C．精神空虚 D．经济不足
【单选题】
( ) 33. Why did Natalie Smith pay for the six cars behind her?
A. She had seven tickets.
B. She hoped to please others.
C. She knew the car drivers well.
D. She wanted to show kindness.
【单选题】
( ) 34. Judy Foreman copied down the phrase because she ___ .
A. thought it was beautifully written
B. wanted to know what it really meant
C. decided to write it on a warehouse wall
D. wanted her husband to put it up in the classroom
【单选题】
( ) 35. Who came up with the phrase according to the passage?
A. Judy Foreman. B. Natalie Smith. C. Anne Herbert D. Alice Johnson.
【单选题】
( ) 36. What can we infer from the last paragraph?
A. People should practice random kindness to those in need.
B. People who receive kindness are likely to offer it to others.
C. People should practice random kindness to strangers they meet.
D. People who receive kindness are likely to pay it back to the giver.
【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
