Unit3一、教学目标：1.语言知识目标基本词汇：restroom, stamp, bookstore, postcard, pardon, washroom, bathroom, normal, rush, suggest, staff, grape, central, mail, east, fascinating, convenient, mall, clerk, corner, polite, politely, speaker, request, direction, correct, direct, whom, address, underground基本句型：Excuse me, do you know where I can buy some medicine? Sure. Theres a supermarket down the street. Could you please tell me how to get tothe post office? Sorry, Im not sur
