八點四十五用英語怎么表達

　　例句：

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

　　他有將近四分之一的選民的支持。

　　A quarter of current inmates have committed violent crimes.

　　四分之一的在押囚犯實施過暴力犯罪。

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

　　工人每小時的產量在第1季度下降了1.3%。