【单选题】【消耗次数:1】
在地沟、管道内等狭窄场所使用手持式电动工具时,必须选用( )。
I类工具
塑料外壳Ⅱ类工具
金属外壳II类工具
Ⅲ类工具
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相关题目
【单选题】 在露天、潮湿场所或金属构架上操作时,必须选用Ⅱ类手持式电动工具,并装设漏电保护器,严禁使用()手持式电动工具。
①  Ⅰ类
②  Ⅱ类
③  Ⅲ类
④  Ⅳ类
【单选题】 Ⅱ类手持式电动工具适用场所是( )。
①  潮湿场所
②  金属容器内
③  地沟中
④  管道内
【多选题】 下列施工条件中适用于Ⅱ类手持式电动工具的有( )。
①  潮湿场所
②  金属构件上
③  锅炉内
④  地沟内
⑤  管道内
【判断题】 手持式电动工具接线可以随意加长。
①  正确
②  错误
【判断题】 ?使用Ⅰ类手持电动工具应按规定戴绝缘手套、穿绝缘鞋
①  正确
②  错误
【单选题】 使用手持电动工具时,下列注意事项哪个正确(???)?
①  使用万能插座
②  使用漏电保护器
③  身体或衣服潮湿
【单选题】 使用手持电动工具时,下列注意事项哪个正确(???)
①  使用万能插座
②  使用漏电保护器
③  身体或衣服潮湿
【多选题】 使用手持电动工具前,必须检查()等是否完好无损,接线是否正确。
①  外壳
②  手柄
③  负荷线
④  插头
⑤  铭牌
【单选题】 如果工作场所潮湿,为避免触电,使用手持电动工具的人应(????)。
①  站在铁板上操作
②  站在绝缘胶板上操作
③  穿防静电鞋操作
【判断题】 Ⅰ类手持电动工具应单独设置保护零线,并应安装漏电保护装置
①  正确
②  错误
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【单选题】 A: Would you like some wine? B: Yes, just [填空].
①  little
②  very little
③  a little
④  little bit
【单选题】 A: Would you like another cup of tea? B: Ive enough. [填空].
①  I would eat anything
②  Thank you by the way
③  Thank you all the same
④  No, anything will do
【单选题】 A: How far is the airport from here? B: [填空].
①  You can take a taxi
②  Ill fly to Paris
③  Its only six hundred dollars
④  Its about thirty miles
【单选题】 A: Excuse me, how much is the dress? B: Its €100. [填空]
①  Which do you prefer?
②  Oh, no. Thats OK!
③  How do you like it?
④  Would you like to try it on?
【单选题】 A: Bring me the bill, please. B: [填空].
①  You are welcome
②  Ill hurry up
③  Please wait for a moment, sir
④  Be quick
【单选题】 A: We are going to have a housewarming party tonight. Would you like to join us? B: [填空].
①  I have no idea.
②  Im afraid not, because I have to visit my parents
③  No, I cant.
④  Thats all set
【单选题】 A: Excuse me, [填空]? B: Certainly, Walk three blocks along this street, and then turn left. Walk another block, and youll find the cinema across the street. You cant miss it.
①  but will you please tell me where you live
②  but can you help me with the bag
③  but would you tell me how to find the cinema
④  but can you tell me the way to the cinema
【单选题】 A: Please help yourself to the fish. B: [填空].
①  No, I cant
②  Thanks, but I dont like fish
③  Sorry, I cant help
④  Well, fish dont suit for
【单选题】 A: Congratulations!You won the first prize in the English speech contest. B: [填空].
①  Yes, I beat the others
②  Thank you
③  No, no, I didnt do it well
④  Its a pleasure
【单选题】 A: Hows everything with you? B: [填空], and how are you?
①  Thanks
②  Dont mention it
③  Not too bad
④  Pretty fast