【单选题】【消耗次数:1】
Our factory has ____ for years.
many fire equipments
much equipment of fire
many equipments of fire
much fire equipment
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相关题目
【单选题】 The factory is said ____ in a fire two years ago.
①  to have destroyed
②  to be destroyed
③  to destroy
④  to have been destroyed
【单选题】 he children  ()  many times not to play with fire.
①  told
②  have told
③  have been told
④  are being told
【单选题】 _____ ! That fire is dangerous.
①  To stop
②  Stop
③  Stopping
④  Stopped
【单选题】 Nobody can remember details about the fire. It _______at least six years ago.
①  took place
②  takes place
③  taking place
【单选题】 An emergency _____ is very important in case of fire.
①  exit
②  deposit
③  discharge
④  elaborate
【单选题】 My grandfather accidentally _____ fire to the house.
①  put
②  took
③  set
④  got
【单选题】 The building suffered ____ damage as a result of the big fire.
①  moderate
②  considerable
③  considerate
④  concrete
【单选题】 Outside my office window there is a fire ____ on the right.
①  escape
②  ladder
③  steps
④  stairs
【单选题】 Outside my office window there is a fire _____on the right.
①  escape
②  ladder
③  steps
④  stairs
【单选题】 One of my ____ sentences is: there is no smoke without fire.
①  faithful
②  favorite
③  favorable
④  famous
随机题目
【单选题】 关于钢筋机械连接的较为准确的描述是 () 。
①  受力性能稳定,质量好
②  造价高,未来需进一步降低成本
【单选题】 关于钢筋机械连接的较为准确的描述是()
①  受力性能稳定,质量好
②  造价高,未来需进一步降低成本
【单选题】 砼泵有挤压式、气压式及活塞式,其中_____目前被广泛采用。该种常用泵送砼设备按其构造原理的不同又可分为_____式和_____式。
①  挤压式/机械式/液压式
②  气压式/电控式/手动式
③  活塞式/机械式/液压式
④  活塞式/电控式/手动式
【单选题】 关于有粘结预应力,以下表述较为准确的是()。
①  大部分预应力靠预应力筋和砼粘结力传递
②  属于后张法预应力的一种
【单选题】 预应力砼与普通砼相比,具有以下特点()。
①  构件断面小,自重轻
②  单价低,经济适用
【单选题】 无粘结与有粘结预应力的区别体现在()。
①  无需在特定位置预留孔
②  前者仍需预留孔道,但孔道中不再灌浆
【单选题】 先张法张拉程序是:0→1.03σcon→σcon锚固或0→1.05σcon锚固。
①  正确
②  错误
【单选题】 先张法夹具有良好的松锚和自锚性能 并能多次重复使用。
①  正确
②  错误
【单选题】 采用普通松弛预应力筋时,后张法预应力张拉程序根据所用夹具不同分别采用:0→1.05σcon→σcon锚固或0→1.03σcon
①  正确
②  错误
【单选题】 钢筋工的加工包括:调直、除锈 、 切断、弯曲成型。
①  正确
②  错误