这家信用卡公司收取的年利率高达18%。

This credit card company charges annual interest ___rates as high as 18%.

这家健身房的会员费每月50美元。

The gym membership ___rates are $50 per month.

心跳率在运动后会明显上升。

The heart ___rate increases significantly after exercise.

今年的税率上涨了5%。

The ___rates went up by 5% this year.