题目

设数列{an}，{bn}都是正项等比数列，Sn，Tn分别为数列{lgan}与{lgbn}的前n项和，且＝，则loga＝( ) A.             B.       C.        D. 答案：C根据汉语提示写出词组。（5分）1.My sister_________ _________ her bike yesterday.(从……摔下)2.__________ it _________ (仔细考虑) before you make an important decision.3.When Jeff heard his elder brother lost his life in an accident, his eyes ___________ ___________(充满；装满) tears.4.What about ___________ Jane a ___________? (给……一个惊喜)5.I （不再）spend too much time on computer games.