题目

A man once said how useless it was to put advertisements in the newspapers．“Last week,” said he, “my umbrella was stolen from a London church．As it was a present, I spent twice its worth in advertising ,but didn’t get it back ”        “How did you write your advertisement ?” asked one of the listeners ,a merchant .        “Here it is,” said the man ,taking out of his pocket a slip cut from a newspaper．The other man took it and read, “Lost from the City Church last Sunday evening a black silk umbrella .The gentleman who finds it will receive ten shillings o17．当实际人口数达到环境人口容量时，城市的可持续发展最有利．错（判断对错）