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Although the Arctic looks lifeless, there are animals moving about. Caribou travel up and down feeding on the grass beneath the snow. The polar bears have a thick, waterproof coat. They eat birds’eggs, berries and dead whales. Walruses get shellfish from the ocean with their tusks. Seals have a layer of fat to keep them warm. They like to eat fish. The main idea of the paragraph is that although the (46) looks lifeless, there are a number of (47) there. Walruses get (48) from the ocean with their (49) . Seals have a (50) of fat to keep them warm.

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如果说传统管理信息系统的核心是数据库，那么决策支持系统的核心则是【24】。

Experience Autoweb. com’ s a better way to buy a car. Save time and money with our simple process. Let us guide you through the car-buying process: 1. Select your car. 2. Select the method for purchasing your car. 3. Complete a simple Contact Information Form. 4. You will be contacted within 24 hours (not including weekends and holidays) by phone or e-mail through either an Autoweb. com dealer or online car selling partner and they will: ◆confirm your selection ◆inform you of the vehicle’ s availability Once your selection is confirmed, you will be given a competitive price quote (有竞争力的报价). If you agree with the price, you can arrange to buy or rent the vehicle right away. An Autoweb. com Customer Car representative (代表) will follow up within 3 days by e-mail to make sure that you are completely satisfied with the service you received. What form will we have to fill in when buying a car at "Autoweb. com" A simple ______.

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RCR集团在越南的子公司产量和销售额太小，达不到规模经济的要求，赢利前景不乐观。虽然在不到3年的时间里，初出国门的RCR海外兵团已经在竞争激烈的越南彩电市场抢得了10%的份额，但是这10%的份额所对应的销售量却只有区区7万台，不到年生产能力的七分之一，这意味着86%的生产能力被闲置。若是按照一般彩电企业正常的固定资产折旧率和固定费用率计算，7万台的彩电销量是很难保证项目赢利的。在越南投资对于RCR来说有不少有利条件：文化背景、政治背景类同，容易沟通；越南已实行革新开放政策，经济快速增长；两国关系越来越密切等等。但是影响越南投资环境的不利因素也很多：越南经济比较落后，人均收入水平不到400美元，居民购买力不强，市场容量有限。对于越南普通家庭来说，彩电还是一种奢侈品，全国销售量也只有70万台左右，远远不及泰国、马来西亚等国。以区区70万台容量的市场，来支撑RCR集团的彩电海外业务，未免让人担心。彩电作为成熟产业，利润率已经相当低了，企业赢利必须达到相当规模的产销量。70万台的销售显然难以达到盈亏平衡点。越南彩电行业已经严重供过于求，行业中任何一家新进入者要从中分得一杯羹都如同虎口拔牙。越南彩电的生产能力已达300多万台，RCR此时以新建的方式插足越南彩电市场，势必进一步加剧供求矛盾，引发鱼死网破的激烈竞争，难以保证投资回报。最拿手的是资源整合与低成本大规模生产，技术和设计恰恰是它的弱项。在越南，RCR必须与领先进入市场的日本、韩国的企业比技术比设计，这正是以已之短击人之所长，因为无论从技术还是从综合实力上看，RCR都无法与后者比拼。越南的家电配套企业少，配套成本高，大大限制了RCR低成本优势的发挥。总之，RCR集团过高地估计了越南市场的容量和潜力，对投资前景过于乐观，是其对越巨额投资陷入困境的主要原因。经过市场调研，越南的新兴富裕阶层消费理念尚不成熟，更喜好盲目追求名牌和产品的高性能、高科技，迷信日本、韩国品牌，而对价格不敏感。另外，由于中越边贸开放初期，一些假冒伪劣的中国内地产品流入越南，给中国产品形象造成了不良影响，不少越南人认为价格低的中国产品就等同于劣质品。因而RCR的低价策略没有起到应有的作用，反而对RCR品牌知名度和认同度有不利影响。阅读案例后，请回答下列问题：你有更好的建议吗请说明原因。