题目

The Diet Zone: A Dangerous Place Diet Coke, diet Pepsi, diet pills, no-fat diet, vegetable diet… We are surrounded by the word “diet” everywhere we look and listen. We have so easily been attracted by the promise and potential of diet products that we have stopped thinking about what diet products are doing to us. We are paying for products that harm us psychologically and physically.     Diet products significantly weaken us psychologically. On one level, we are not allowing our brain to admit that our weight problems lie not in actually losing the weight, but in controlling t能源作物是指用以提供能源原料的草本和木本植物，如甜高粱、油菜、甘蔗、木薯等。下表为2010年1月全国甘篇、油菜、高粱批发市场价格（单价：元/千克)，回答1—3题。 吉林扶余 天津红旗 江苏无锡 山东济南 湖南长沙 广东江门 新疆北园春 云南昆明 甘蔗 2.40 1.90 1.21 1.40 1.30 0.90 2.80 2.20 油菜 5.00 3.80 2.00 4.50 2.15 2.40 5.60 2.30 高粱 1.90 1.90 2.80 2.20 2.40 3.10 2.30 2.80 1．影响新疆北园甘蔗价格的最主要因素是（　 ） A.农业技术水平 B.劳动力价格 　 C.与产地的距离 　 D.耕地面积 2． 我国逐步形成甜高粱、油菜、薯类等原料种植基地，这些基地对应的地区分别是（　 ） A.东北和华北长江流域华南和西南B.东北和华北华南和西南长江流域 C.华南和西南长江流域东北和华北D.长江流域华南和西南东北和华北