经营收入管理的要求是什么？

已知三角形两边长分别是8和6，第三边长是一元二次方程x²-16x+60=0的一个根．请用配方法解此方程，并计算出三角形的面积．

在购买计算机时，“Pentium Ⅱ300”中的300是指

A．CPU的时钟频率

B．总线频率

C．运算速度

D．总线宽度

下列哪型颈椎病不宜作颌枕吊带牵引

A．神经根型

B．脊髓型

C．椎动脉型

D．交感型

E．混合型

（1）罗德曼抢断成功 （2）邓肯盖帽（3）罗滨逊抢下篮板球迅速前传 （4）皮蓬起跳投篮 （5）乔丹飞身补篮成功

A．1-3-5-2-4

B．2-3-5-1-4

C．3-2-5-4-1

D．3-1-4-2-5

语法填空

阅读下面短文, 按照句子结构的语法性和上下文连贯的要求, 在空格处填入一个适当的词或

使用括号中词语的正确形式填空.

     The World Bank has just estimated countries on how friendly they are to business.And the biggest

news was __1__ progress in Africa.Two African countries.Ghana and Tanzania, __2__(list)this year

among the top ten in business reforms.

     For the last two years, the World Bank found __3__Africa had the least progress in reforms in

studies of ten businessrelated areas.But __4__is reported that Africa is making progress in business

reforms __5__a speed faster than Asia.Latin America and the Middle East now.

     Business reforms are important especially to __6__(develop)economies.For example, until recently,

__7__took more than one year to receive property ownership documents in Ivory Coast.The government no longer requires a single minister to deal __8__all requests to register property.

     Mexico was praised for increasing __9__(protect)for investors.And, in El Salvador, business reforms

cut the time needed __10__(start)a business from more than one hundred days to just twentysix days.