是正数等差数列，是正数等比数列，且a1=b1，a2n+1=b2n+1，则

题干

是正数等差数列，

是正数等比数列，且a₁=b₁，a_2n+1=b_2n+1，则

A：a_n₊₁=b_n₊₁

B：a_n₊₁＞b_n₊₁

C：a_n₊₁＜b_n₊₁

D：a_n₊₁≥b_n₊₁

上一题下一题 0.0难度选择题更新时间:2019-01-28 04:41:20

	Mary	Tom	Alan
Where	China	Spain	Canada
When to leave	The first week in June	The last day of May	July 18^th, Monday
With	His parents	His best friends	His cousin
What	Went hiking. Visited some interesting places in Beijing. Went shopping.	Went shopping . Went camping. Watched bullfight（斗牛）	Spent time on the farm. Went fishing. Slept a lot.
How long	About one month.	Only two weeks	Fifty days
By	Plane and bus	Boat and plane	Plane and train