题目

From 2008 to 2013, American households lost $l1 trillion in real estate, savings, and stocks. More than half of all U. S. workers either lost their jobs or were forced to take cuts in hours or pay during the recession. The worst may be behind them now, but the shocking losses of the past few years have reshaped nearly every facet of their lives—how they live, work, and spend—even the way they think about the future. For Cindy, the recession began when her husband was relocated to Rhinelander, Wisconsin, by his company, forcing the family to move in a hurry. The couple bought a ne读图“我国农产品基地分布”，回答： 　　 （1）图中字母代表的农业生产基地名称： 商品粮基地：A________C________。 商品棉基地：J________K________。 （2）既是我国商品粮、商品棉生产基地，又是油料作物基地的是________平原，字母代号是________。 （3）位于我国地势第二级阶梯上的商品粮、商品棉基地的字母代号分别是________、________，名称分别是________、________。 （4）从地形、土壤、气候、水源等方面简要分析我国九大商品粮基地共同的优越自然条件：________。 （5）我国建立的三个农产品出口商品基地分别是：D________E________F________。