连接______和______任意一点的线段叫做半径.半径一般用字母______表示.
连接圆心和圆上任意一点的线段叫做半径.半径一般用字母r表示;
故答案为:圆心,圆上,r.
The book is _______ that one.
A.as three times long as
B.three times the length of
C.three time as long as
D.three times as longer as
在现金流量表的构成要素中,经营成本的计算公式为()。
A.经营成本=总成本费用-折旧费
B.经营成本=总成本费用-折旧费-摊销费
C.经营成本=总成本费用-折旧费-摊销费-利息支出
D.经营成本=总成本费用-折旧费-摊销费-利息支出-修理费