八点四十五用英语怎么表达

　　例句：

　　He has the backing of almost a quarter of the electorate.

　　他有将近四分之一的选民的支持。

　　A quarter of current inmates have committed violent crimes.

　　四分之一的在押囚犯实施过暴力犯罪。

　　Hourly output by workers declined 1.3% in the first quarter.

　　工人每小时的产量在第1季度下降了1.3%。