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问题 判断题

细集料的表观密度试验，以两次平行试验结果的算术平均值作为测定值，如两次结果之差值大于0.01g/cma，应重新取样进行试验。( )

答案

参考答案：对

问答题

Cathy, Donald and Eddy are the only members of Fragrance CC. They have been informed that there may be future changes in the legislation that would make it less attractive and convenient for them to continue to do business as a close corporation. They want to convert their business into a company. Fragrance CC has quite a number of creditors.Required:Advise the parties on what steps they should take to convert the close corporation into a company and explain what the effect of the conversion would be. (10 marks)
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选择题

下表列出了某种型号轿车的部分数据，试根据表中数据回答问题。

长/mm×宽/mm×高/mm4871×1835×1460
净重/kg1500
传动系统前轮驱动与挡变速
发动机型式直列4缸
发动机排量(L)2.2
最高时速(km/h)252
100km/h的加速时间(s)10
额定功率(kw)140
 

表格右侧图为轿车中用于改变车速的挡位.手推变速杆到达不同挡位可获得不同的运行速度，

从“1～5”逐挡速度增大，R是倒车挡。试问若轿车要以最大动力上坡，变速杆应推至哪一挡？

若该车以额定功率和最高速度运行时，轿车的牵引力为多大？（    ）

A．“1”档、2000N  B．“5”档、2000N   C．“1”档、4000N   D． “5”档、8000N
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