大学体验英语综合教程2 第一,二,三,四单元 write about it 答案答:1.challenge, 2.had transformed, 3.engage, 4.occurred, 5.urged, 6.cancel 7.prejudice, 8.foundation, 9.beliefs, 10.constructive 14. 1.rests with, 2.in recognition of, 3.in fact, 4.provides for, 5.keep...up 15. 1.He knew in his heart that they would never meet again...