1. 【原句回放】This article will focus on two medicines that have changed people’s lives. If you open up any medicine cupboard in the world, there is a high probability that you will find aspirin and penicillin. (L1-3) 这篇文章将着重讲述两种改变人类生活的药物。只要打开世界上任何一个药柜，你很可能就会发现阿司匹林和青霉素。
【结构分析】第一个句子中的that引导的是_________ 从句，修饰____________；第二个句子中的that引导的是_________ 从句，对probability的内容加以说明。
