【C7】A．ratioB．rationC．proportionD．rate

A．To lower their exchange rates.B．To regulate their exchange rates.C．To raise their re

He has been grinding out cheap romantic stories at the______ of one a week.A．ratioB．percen

【C15】A．specialtyB．powerC．proportionD．place

【C13】A．populationB．ratioC．proportionD．percentage

A country______birth rate is higher than its death rate will have an increasing population

If interest rates are expected to decline an investor can earn a higher coupon interest rate by purchasing a(n):()。