题目内容
容器的气体压力产生于容器外时，其压力源一般来源于（）等。
查看答案
搜索结果不匹配？点我反馈
更多问题
（）群众自我教育、随机教育启发、用好信息网络、新闻舆论引导、（）仪式庆典激励、行为规范养成、心理教育疏导、法律咨询服务、三位一体共育，是思想政治教育的主要方法。
科学是逻辑和想像的结合。
市场预测的基本要求是什么？
Shopping habits in the United States have changed greatly in the last quarter of the 20th century. （1） in the 1900s most American towns and cities had a Main Street. Main Street was always in the heart of a town. This street was （2） on both sides with many （3） businesses. Here, shoppers walked into stores to look at all sorts of merchandise: clothing, furniture, hardware, groceries. （4）,some shops offered （5） .These shops included drugstores, restaurants, shoe-repair stores, and barber or hairdressing shops. （6） in the 1950s, a change began to （7） .Too many automobiles had crowded into Main Street （8） too few parking places were （9） shoppers. Because the streets were crowded, merchants began to look with interest at the open spaces （10） the city limits. Open space is what their car-driving customers needed. And open space is what they got （11） the first shopping centre was built. Shopping centres, or rather malls, （12） as a collection of small new stores （13） crowded city centres. 14 by hundreds of free parking space, customers were drawn away from （14） areas to outlying malls. And the growing （16） of shopping centres led （17） to the building of bigger and better瞫tocked stores. （18） the late 1970s,many shopping malls had almost developed into small cities themselves. In addition to providing the （19） of one stop shopping, malls were transformed into landscaped parks, （20）benches, fountains, and outdoor entertainment. 请在（1）处填上正确答案（）
微信支付 
支付宝支付