【简答题】La casa de Lucía_ ___ _ muy peque ñ a. Y _____ lejos de su oficina. (ser estar)
【多选题】使用钢丝绳时,错误的做法是()。
B.
钢丝绳穿过滑轮时,滑轮槽的直径应比钢丝绳的直径大1-1.2mm
E.
高速转动的起重机械或穿线滑轮组,可采用6*169钢丝绳
【单选题】表达式:1-2/5+2*5的结果是哪项?
【单选题】在PowerPoint大纲窗格中,不能进行
A.
对图片、图表、图形等进行修改、删除、复制和移动;
【单选题】Though I’ve tried very hard to improve my English, by no means ___________with my progress.
A.
the teacher is not satisfied
B.
is the teacher not satisfied
C.
the teacher is satisfied
D.
is the teacher satisfied
【单选题】--- You did well in English. Could you help me with my English? --- ________.
【判断题】某公司在一工地用吊篮架进行外装修作业时,首层安全网已经拆除,施工员指派一名抹灰工升降吊篮,在用倒链升降时,未挂保险钢丝绳,突然一个倒链急剧下滑,吊篮随即倾斜,使一名工人从吊篮上摔下死亡。上述事故中,“用吊篮架进行外装修作业时,首层安全网拆除”的做法是错误的,属于违章作业。