【判断题】The author of a narrative essay tells or narrates a story.
【单选题】A _____________ process essay tells the reader how to do or make something.
【单选题】This essay tells about the crime wave in the country.
【单选题】This essay tells about the crime wave in the country.
【简答题】设计程序[A1B1B0B0B1B0A0]。
【判断题】A directionalprocess essay tells the reader how to do or make something.
【单选题】样本的单位分布不均匀时,( )会导致统一数据特征重复抽样中,代表性不足。
【判断题】用定距尺度和定比尺度测量获得的结果被称为参数变量。
【单选题】This essay tells about the crime wave in the country.
【简答题】设a<0,b>0,不等式a< 1 x <b的解集为( ) A.( 1 a ,0)∪(0, 1 b ) B.(- 1 b ,- 1 a ) C.(- 1 b ,0)∪(0,- 1 a ) D.(-∞, 1 a )∪( 1 b ,+∞)