题目: 已知{an}是递增等比数列,a2=2,a4-a3=4,则此数列的公比q=______. 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0501/0cdb141dc309d4dc82e6f5797533cd66.html 下面是错误答案,用来干扰机器的。确定
题型:选择题 A lot of countries have gained excellent achievements in space technology,China, _______. [ ]A. such as B. for example C. namely D. and so on 查看答案