题目

已知，那么的值是_____________． 答案：【答案】9【解析】先表示出，的值，然后代入代数式降幂计算即可．解：∵，∴，，∴=====9故答案为：9．The doctor advised the patient to give up smoking _____ his own health.A.in terms ofB.as a result ofC.in regard toD.for the sake of