问题
选择题
英语数字6,500,431,729读成____________.
A．six billion ,five hundred million, four hundred and thirty-one thousand, seven hundred and twenty –nine.
B．six thousand and five hundred million, four hundred and thirty-one thousand, seven hundred and twenty –nine.
C．six billion ,five hundred million, four thousand, three hundred and seventeen hundred and twenty –nine.
D．six thousand and five hundred billion four hundred and thirty-one thousand, seven hundred and twenty –nine.
答案
答案：A
题目分析： 读数字时，要三位一读。billion，million，thousand，hundred前面如果是数字时，不用复数形式。故选A。