未知题型 试述教学过程的基本环节与要求。（常考）

未知题型 It says pawnbrokers (9) three thousand years ago in China and in early Greek and Roman times. Pawn shops may be large or small, clean or dirty, but they are all full of stories. This may explain the popularity of television shows like “Pawn Stars” on the History Channel. The show is about a family of pawnbrokers in Las Vegas, Nevada.

单项选择题 以下哪一项不属于杜拉斯的职业成就？