简单随机抽样
这是按随机原则从总体N个单位中直接抽取n个单位做样本,使总体中每一个单位都有同等的可能性被抽中。
Complete the following sentence with a (compound) word derived from the one(s) given in bracket.
The use of plenty of short, simple, and elliptical sentences in the story creates a sense of （ ）. (emergent)
