2014
高考英语阅读理解二轮基础训练题（9）及答案 [科普知识型阅读理解(二)]----- (二) europe's deadly outbreak of a rare form of e．coli(大肠杆菌) bacteria has brought new attention to food safety issues. e．coli bacteria naturally live in the intestines(肠) of humans and many animals. most kinds of e．coli are harmless but some can make people sick. one of the problems when peopl
