描述性从句：非限制性定语从句 — 英语词汇题
题目
用非限制性定语从句的适当形式补全句子，每空一词：
1. Marie Curie, ______ discovery of radium changed medicine, won two Nobel Prizes.
2. The laboratory, ______ equipment was donated by a local university, opened last month.
3. Scientists often share data, ______ makes research more efficient.