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1. This book is about how these basic beliefs and values affect important ________ of American lige. A. fashions加了s表示时尚 B. frontiers前线前沿 C. facets宝石的刻面，事务的不同方向 D. formats格式公式 file文件档案 answer：C 2. Parents often faced the ________ between doing what they felt was good for the development of the child and what they could stand by way of undisciplined noise and destructiveness. A. paradox似是而非的矛盾的悖论的 B. junction交汇之处 C. dilemma进退两难的境地 D. premise前提 betweenand answer：C 3. Clark felt that his ________ in one of the most dramatic medical experiments of all time was worth the suffering he underwent. A. apprehension领悟忧虑 B. appreciation C. presentation D. participation参加 the underwent经历 answer：D 4. As one of the youngest professors in the university, Ms King is certainly on the ________ of a brilliant career. A. threshold门坎 B. edge C. porch门廊 | 
