题目

等比数列中，，则等于是（ ）A. B.4 C. D. 答案：【答案】B【解析】利用等比数列通项公式直接求解即可.因为是等比数列，所以.故选：BHe is always________ fault with other people though he doesn’t do his own work properly. A．seeking B．looking C．finding D．putting