1 Unit 1 Back to school 单元复习单元复习 一、词汇拓展一、词汇拓展 1. potential n. 潜力；可能性 potentialadj. 潜在的，可能的 2. challenge n. thinking without study ends in puzzlement.” Last, always look on the positive side of the things, never afraid of difficulties. Remember that no matter what happens, tomorrow sun will rise again. As the saying goes, “A journey of a thousand miles begins with a single step.” Make continuous efforts to realize your potential and youll get closer to success. 4
