搜题请搜索小程序“爱下问搜题”
问题 单项选择题

线性从量资费是最单纯的______定价方式的体现。

A．总成本
B．平均成本
C．边际成本
D．增量成本

答案

参考答案：B

解析： 本题考查线性从量资费。线性从量资费是最单纯的平均成本定价方式的体现。

完形填空

DIY, which means Do It Yourself, is quite popular in the UK. Lots of stores and supermarkets sell DIY things. TV programs show people how to DIY.

English people like DIY. If there is anything that needs fixing (修理) around their homes, such as                       p 小题1:   the walls or putting in a new shower, they will do the jobs themselves. They share DIY                 e 小题2:   with their friends. More and more people are fond of DIY and have d 小题3:  the joy of DIY. Sometimes people also DIY for saving money. At present, many people can’t a 小题4:   a big house. They are looking at how they can make their houses better without spending a lot of money. It is not surprising that DIY is so popular.

DIY can be difficult. There is a large market for DIY furniture (家具) which needs to be got together by people themselves w 小题5:   a few tools. However, people often find it not easy to build a piece of furniture because they can’t understand the instructions (指令). Sometimes the instructions are simple and clear, but the furniture i 小题6:  is difficult to build. DIY can also be dangerous if you are not careful enough. It is r 小题7:   that in just one year over 230,000 people were hurt while doing DIY in the UK, including 41,000 who fell off ladders.

DIY can bring us a lot of f 小题8:   and can help us save some money, but it is not always as easy as it is t 小题9:  to be if we do something that is too hard. Maybe factories should make products that are easier and s 小题10:   for us to DIY.
查看答案
判断题

烟草专用机械不属于烟草制品，制造烟草专用机械的企业不需要报国家烟草专卖局批准。（）
查看答案