1 . 用方框中词组的正确形式完成句子，每个词组只使用一次。(方框中有两个选项为多余选项)

donate to,     lead to,     refer to,     relate to,     turn to,     date back to,     give way to

1. This vase is a great antique. It ________ the Tang Dynasty.
2. For assistance, they ________ one of the city’s most innovative museums.
3. According to his friends, he was not a man who ________ this kind of pressure.
4. The red line on the graph ________ the birth rate and the blue line to the death rate.
5. Between 1990 and 1992, there were more than 1,000 mergers (合并) in that industry, all of which ________ job losses.