【简答题】根据以下材料,回答9-12题 某陶瓷企业每年需要消耗泥料400吨,每吨泥料的价格为20000元,每吨泥料的年保管费率为1%,单次订货成本为400元。假设泥料的价格不因采购数量的不同而产生折扣。该企业的陶瓷以划分地区的方式来组织销售,整个销售物流的各环节按不同的地区分别由各个不同的职能部门来共同完成,并通过综合绩效来评价销售物流管理的效果。 该企业采购泥料的经济订货批量为()吨。 A.28 B.40...
【简答题】阅读以下材料,回答相关问题。 【材料】实验室制备N 2 通常有下列三种方案: 方案1:加热条件下,以NH 3 还原CuO制得N 2 ,同时获得活性铜粉; 方案2:加热NaNO 2 和NH 4 Cl的浓溶液制得N 2 ; 方案3:将空气缓缓通过灼热的铜粉而获得N 2 。 现有实验室常见仪器和药品及部分装置如下图(有的夹持和加热仪器未画出): 试剂:碱石灰、浓硫酸、浓氨水、CuO、Cu、NaNO 2 ...
【简答题】 (B) A: Hello, may I speak to John? B: 16 A: Hi, John! This is Li Wei speaking. B: Hi, Li Wei. What’s up? A: What are you going to do the day after tomorrow? B: 17 Do you have any ideas? A: Shall we ...
【简答题】阅读理解。 We all need to exercise. Doctors say it is good for us. It makes your heart and body strong. It also gives you more energy. And you will feel better about yourself. It's best to exercise twice a...
【简答题】完形填空。 Doctors tell us holidays are important. We should have a rest from l for a week or two weeks every year.If it is possible, they say, we should 2 our homes and go to another 3 of the country. W...
【简答题】Go into any average provincial town and the last thing you will find is a decent book-shop. More than one great industrial town of a population of over a hundred thousand has only one such shop, and t...
【简答题】制备液晶材料时经常用到有机物Ⅰ,Ⅰ可以用E和H在一定条件下合成: 请根据以下信息完成下列问题: ①A为丁醇且核磁共振氢谱有2种不同化学环境的氢; ② ③一个碳原子上连有两个羟基不稳定,易脱水形成羰基。 (1)B按系统命名法名称为: 。 (2)芳香族化合物F的分子式为C 7 H 8 O, 苯环上的一氯代物只有两种,则F的结构简式为: 。 (3)C→D的反应条件为: 。 (4)A→B、G→H的反应类型...
【简答题】根据句意及所给提示完成单词。 1. The ______ (运输) of goods by plane (飞机) is very expensive. 2. She can ______ (几乎不) walk any longer. 3. He can't go to school because of his ______ (病). 4. What's the matter w______ he...
【单选题】未成年人接受的赠款、赠物归属未成年人所有。任何人,包括未成年人的父母或其他监护人,不得以该未成年人未成年为由将该款、物据为己有。这是因为未成年人享有( )。
【简答题】Translation. 广播一: Ladies and gentlemen: May I have your attention, please? Check-in counters for Flight CA985 bound for San Francisco will be closed in half an hour time. Passengers who have not done ...