【简答题】生物滤池组成包括:滤床、( )、 排水系统等三部分组成 。
【单选题】The weather forecast is not f o r cooler weather; , it is expected to be warmer.
【判断题】In an ideal world, no inventory would be required because manufacturers could exactly forecast demand and produce only that much.
【简答题】听下面一段材料,回答第1-3题。 1. What do the two speakers talk about? A. Their trips to a foreign country. B. Their dinners in a restaurant. C. Their to some families. 2. What did the man enjoy about his visit? A....
【单选题】生物滤池构造的主要组成部分包括:( )、布水设备和排水系统。
【简答题】Produce a forecast for 2012 using exponential smoothing ( α = 0.4)
【单选题】---It’s supposed to rain tomorrow. ---I know, but the forecast ___ be wrong. Weather forecasts are far from 100 percent accurate.
【简答题】Produce a forecast for 2011 using 3 period moving average