搜题请搜索小程序“爱下问搜题”
问题 单项选择题

在现代生产运作方式中，看板管理是（　）的典型方式之一。

A．清洁生产方式

B．准时生产方式

C．敏捷制造

D．柔性制造

答案

参考答案：B

解析：【解析】本题考点准时生产方式。看板管理是在准时生产方式思想的指导下开发出来的。

完形填空

阅读下面短文，根据以下提示：1）汉语提示，2）首字母提示，3）语境提示，在每个空格内填入一个适当的英语单词，所填单词要求意义准确，拼写正确。

How do you understand happiness? Views on it 小题1: v       from person to person. As far as I’m concerned, happiness doesn’t mean a large amount of money or being in the highest social status but 小题2:      (意味) to obtain something that enriches my mind.

However, many people have seldom experienced happiness. There are several 小题3:f      for it. Some people aren’t good at finding the sun face. They’ve just 小题4:       （抱怨）about their own misfortune or enlarged others’ joy, 小题5:         (看不见) the happiness belonging to them. Some people lack faith. They only keep telling themselves to make money as小题6:______, not knowing their life’s aims 小题7:        what on earth they really want, 小题8:       can hardly let them have the feeling of happiness. Some people always like to compare with others in every aspect, such as positions, housing conditions and treasure. Some do not know devotion, not understanding helping others will bring them more pleasure. Still some others do not know to meet. Such people 小题9:u        have possessed much but still want to seek more.

In my opinion, 小题10: s       happiness equals pleasure what pleasure for long is happy. Therefore, just keep ourselves cheerful for every minute.
查看答案
选择题

右图是向MgCl2、AlCl3混合溶液中，开始滴加7ml试剂A，之后改滴试剂B，所得沉淀ymol 与试剂体积V(ml)间的关系.以下结论不正确的是

A．横坐标从5到6溶液中Al3+浓度在上升

B．原混合液中，c(Al3+)∶c(Mg2+)∶c(Cl—)＝1∶1∶5

C．A是NaOH，B是盐酸，且c(NaOH)∶c(HCl)＝2∶1

D．横坐标从6到9，相应离子反应式H++OH— =H2O
查看答案