1.(2020·全国卷Ⅲ)The artist was finally humbled(谦卑)by the greatest artist ________ earth,Mother Nature.
解析: 考查固定搭配。on earth“在世界上”。
答案: on
2.(2020·新高考山东卷)Museums must compete ________ people's spare time and money with other amusements.
解析: 考查介词。根据语境可知,此处表达的是“为了人们的空闲时间和金钱与其他的娱乐活动进行竞争”,compete for“为……竞争”,故应用介词for。
答案: for