1. The works of Du Fu, China’s greatest poet, _____ a precious cultural heritage for the entire world, not just for China.
A. represented B. represent C. will represent D. have represented
【答案解析】 B
【详解】考查时态。句意：中国最伟大的诗人——杜甫，他的作品代表了全世界珍贵的文化遗产，不仅仅是中国。本句讲述一般事实，应用一般现在时，主语the works是复数，故谓语动词用复数形式，故选B项。
2. Everyone wants to live on the top of the mountain, but growth occurs while you _____ it.
A. climbed B. have climbed C. are climbing D. have been climbing
【答案解析】 C
【详解】考查时态。句意：人人都想生活过得很好，而成长就发生在你攀登时。分析句子可知，此处是时间状语从句的谓语动词，根据语境和句意判断此处为现在进行时，故选C项。
