未知题型 Wise buying is a positive way in which you can make your money go further. The【B1】you go about purchasing an article or a service can actually【B2】you money or can add【B3】the cost.Take the【B4】example of a hairdryer. If you are buying a hairdryer, you might【B5】you are making the【B6】buy if you choose one【B7】look you like and which is also the cheapest【B8】pricE.But when you get it home you may find that it【B9】twice as long as a more expensive【B10】to dry your hair. The cost of the electricity plus the cost of your time could well【B11】your hairdryer the most expensive one of all.So what principles should you【B12】when you go out shopping? If you【B13】your home, your car or any valuable【B14】in excellent condition, you'll be saving money in the long【B15】.Before you buy a new【B16】, talk to someone who owns onE.If you can, use it or borrow it to check it suits your particular【B17】.Before you buy an expensive【B18】,or a service, do check the price and【B19】is on offer. If possible, choose【B20】three items or three estimates.【B1】A.formB.fashionC.wayD.method

单项选择题 下列哪项属于浅感觉

未知题型 城市给水工程总体规划的主要内容包括( )。①确定用水量标准，预测城市总用水量，②平衡供需水量，选择水源，确定取水方式和位置，③确定给水系统的形式、水厂供水能力和厂址，选择处理工艺；④确定水源的卫生防护措施；⑤估算分区用水量，⑥布局输配水干管、输水管网和供水重要设施，估算干管管径，⑦计算用水量，提出对水质、水压的要求D.①②③④⑥