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【判断题】
电力线路(输电线路)分为:架空输电线路和电力线路。
A. 对
B. 错
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答案
B
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电动吊篮的提升机若发生异常温升和声响,应小心操作。
A. 对
B. 错
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拆除贮存易燃、易爆或有毒、有害介质的大型贮罐,操作人员应配备相应的专用劳动防护用品,并正确使用。
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电动吊篮的安全钢丝绳必须独立于工作钢丝绳另行悬挂。
A. 对
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设备就位后,应采用安装焊柱或焊接方式固定,必须在就位后立刻焊接牢固。 423、座板式单人吊具的卸扣和悬挂绳一般不采用活络结的方式连接。
A. 对
B. 错
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电动吊篮只要安全锁完好无损,就可投入正常使用。
A. 对
B. 错
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两个电阻串接线时电阻值增大。
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B. 错
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制冷剂加多了制冷效果也不好。
A. 对
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一民用建筑由基础、墙或柱、楼层和地层、楼梯、屋顶、门窗六大部分组成。 428、采用新工艺、新技术、新材料和新设备的所有高处施工工程,应按定对作业人员进行相关安全技术签字交底。
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拆除贮存易燃、易爆或有毒、有害介质的大型贮罐应采用机械加降温措施的切割方法拆除。
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安装在墙内的排水立管应在结构施工中预留管槽。支管的甩口不应明露。
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外墙清洗工作完毕,要详细记录吊篮运转情况。
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力物体之间的相互作用,所以有作用力,一定同时有反作用力。
A. 对
B. 错
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当日拆除施工结束后,所有机械设备不应远离被拆除建筑。
A. 对
B. 错
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严禁在设备运行时上下吊篮。
A. 对
B. 错
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电动吊篮的安全锁,可以安装在工作钢绳上。
A. 对
B. 错
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爆破拆除用于较坚固的建筑物和构筑物以及高层建筑物或构筑物的拆除。
A. 对
B. 错
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A. 对
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广告施工中使用建筑外用货梯如广告物料或广告主体重量过重时,应注意外用梯载重量限额,如超过限额应将物料拆分或选择其他移动方式,以防发生安全事故。
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B. 错
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高处作业上下脚手架时可以手持物件。
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高处作业初次使用吊篮时应缓慢运行,观察有无障碍物,一旦发现要及时处理,否则应停止操作。
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制冷剂的循环是靠压缩机的运转来实现的。
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B. 错
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热水立管一般情况下立管与干管连接采用2个弯头。
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建设单位在拆除工程施工前,应当向施工单位提供拆除建筑的有关图纸和资料。
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( ) 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.
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( ) 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.
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( ) 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.
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( ) 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
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( ) 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.
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( ) 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
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( ) 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.
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( ) 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
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【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
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( ) 40. The best title of the passage is ___________. A. Rivers in Cities B. The importance of Rivers C. Transportation D. Natural Resources
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