精选优质文档-倾情为你奉上 山东省临沂市2017-2018学年高一上学期期末考试英语试题第二部分：阅读理解(共两节，满分40分)第一节（共15小题；每小题2分，满分30分）ALife-Changing Science DiscoveriesHeres a look at some discoveries that have changed the world. Its impossible to rank their importance, so theyre listed in the order they were discoveredMicro-organismBefore French chemist Louis Pasteur began experimenting with bacteria in the 1860s, people did not know what caused disease. He not only discovered that disease came
