文体02 描述性说明文12篇 -阅读理解题型二七选五-- 六年（2017-2022）高考英语真题高频话题文体分类汇编详解（全国通用）

文体02描述性说明文12篇 序号 内容 微话题1 Passage1-7 概念/现象介绍类 微话题2 Passage 8-12介绍优点类 微话题1：概念/现象介绍类 Passage 1 (2021浙江1月卷)You run into the grocery store to pick up one bottle of water. You get what you need, head to the front, and choose the line that looks fastest. You chose wrong. People who you swear got in other lines long after you are already checked out and off to the parking lot. 11． It turns out, it's just math working against you; chances are, the other line really is faster. Grocery stores try to have enough employees at checkout to get all their customers through with minimum delay. 12．Any small interruption - a price check, a chatty customer-can have downstream effects, holding up an entire line. If there are three lines in the store, delays will happen randomly at different registers. Think about the probability:13．So it's not just in your mind: Another line probably is moving faster. Researchers have a good way to deal with this problem. Make all customers stand in one long, sna