题目

When you're lying on the white sands of the Mexican Riviera, the stresses(压力)of the world seem a million miles away. Hey, stop! This is no vacation—you have to finish something! Here lies the problem for travel writer and food critic(评论家)Edie Jarolim, “I always loved traveling and always liked to eat, but it never occurred to me that I could make money doing both of those things，” Jarolim said. Now you can read her travel advice everywhere—in Arts and Antiques, in Brides, or in one of her three books, The Complete Idiot's Travel Guide in Mexico's Beach Resorts. Her job 读“我国地理分区图”及下表，按要求回答问题 城市代号一月平均气温/℃七月平均气温/℃年降水量/㎜①-4.04.6500②-4.726641③3.327.91220④-122081（1）表中数据分别为我国四大地理区域四城市的气候资料，它们与图中对应的关系是（填城市代号）：A______B______D______（2）图中A地区与B地区分界线附近的山脉和河流分别是______、______．（3）从青藏地区向东，农业生产活动从以______业为主变为以______业为主．（4）A地区与D地区之间的界线有一段大致与人为的古建筑______一致．（5）C地与其他地区比较，夏季气温最突出的特点是______，形成这种气候特征的根本原因是______．