【多选题】[C6][多选题]重复性试验中所指的重复性条件包括( )。(2009真题)
【单选题】下列检测项目中不属于石方路基实测项目的是( )。
【多选题】3 下列对云南大理石的描述中正确的是( )
【单选题】20世纪90年代,提出用阳光经济取代生化经济的理论的是()
【单选题】Nobody______when I complained about the food, so nothing was done about it
【单选题】The person I complained is the supervisor.
【简答题】I complained about it to him many times.
【简答题】化学是一门以实验为基础的科学,如图为初中化学中的两个实验. (1)图2中标记a的仪器名称:______. (2)图1实验中细沙的作用是______. (3)图2实验中要用到氢气,在将氢气通入试管前,应事先______,试管中的化学反应方程式为:______.
【简答题】根据Text A Unit 2内容填写: A. After my accidental fall ended our vacation, my husband became someone I didn’t know, so I wrote a mock complaint and sent it to him. B. I am afraid that my husband may cause m...