【单选题】中共中央在()上确定了建立抗日民族统一战线的方针。
【单选题】Students are always interested in finding out they can go with a new teacher.
【单选题】中共中央在瓦窑堡会议上确定了建立抗日民族统一战线的方针,作出这一决定的主要依据是 ()
【单选题】The number of desks that the teacher needs ___ 19.
【单选题】在进行电气设备安装或维修操作时,为了防止触电事故的发生,叙述错误的是______。
A.
进行电气设备的安装或维修操作时,要严格遵守停电操作的规定
B.
必须在安装或维修设备的供电开关上悬挂“正在检修,禁止合闸”的警告牌
C.
在带电部位邻近处进行安装或维修设备时,必须保证有可靠的安全距离
D.
预先与值班人员约定被安装或维修电气设备的送电时间
【单选题】用贵金属制成的装有小饰物的盒子,应与所装物品分别归类,即按照贵金属制品归类,依据是:
【单选题】The teacher suggested that her students _____ experiences with ESP.
A.
write a composition on their
B.
to write composition about the
C.
wrote some compositions of his or her
D.
had written any compositions for his
【判断题】门座式起重机的运行机构是工作性运行机构。
【判断题】起升机构是起重机核心机构,它的工作好坏是保证起重机能否安全运行关键