A:效率是第一位的,公平是第二位的
B:效率是公平的物质前提,公平是提高经济效率的保证
C:效率是维护公平的保证,公平是提高经济效率的物质前提
D:公平是提高经济效率的前提
根据短文内容填空。
Jane White is an American girl. She is fifteen. She is a middle school student. Her father is Bill White and her mother is Joan White. Her brother, Bob, is a student, too. He is in a black coat and Jane is in a red sweater.