大肠杆菌是人和许多动物肠道中的主要细菌，若水中大肠杆菌超标，说明水源可能被粪便污染．伊红美蓝培养基可用于检测水中大肠杆菌的数量．回答下列问题：

2016年2月20日国务院召开专题会议研究我国部分行业去产能的原则、路径和保障政策。下图为某煤炭基地发展模式图。据此完成下列问题。

 Some people still live in their hometown. However, others may only visit ____  once or twice a year. Millions of Chinese leave the countryside ____   (search) for work in the cities. Among these is Hua Xing. He  ____  (live) in Wenzhou for the last 13 years. With a hard job ____  a factory, he seldom visits his hometown. "I haven't been back for three years. It's  ____  (shame),”he says____   (develop) have been good in Hua Xing's hometown since 2002, for example, new roads____  (appear). A new school  ____   (build). However, some things will never change in his hometown. The big old tree is still beside the playground. Children in his time  ____   (usual) liked to play together under it. It was  ____ happy childhood.

阅读下面的文言文，完成小题
      （甲）见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”
      （乙）贞观十九年，太宗征高丽，次定州，有兵士到者，帝御州城北门楼抚慰之。有从卒一人病，不能进，诏至床前，问其所苦，仍敕州县医疗之，是以将士莫不欣然愿从。及大军回次柳城，诏集前后战亡人骸骨，设太牢致祭，亲临，哭之尽哀，军人无不洒泣。兵士观祭者，归家以言其父母，父母曰：“吾儿之丧，天子哭之，死无所恨。”
太宗征辽东，攻白岩城，右卫大将军李思摩为流矢所中，帝亲为吮血，将士莫不感励。
                                                                                                                                                                      （选自《贞观政要》）
（注）①太牢：古代祭祀时牛、羊、豕（shǐ，猪）三牲具备谓之“太牢”，太牢之祭是古代国家规格最高的祭祀大典。