The first term in a geometric sequence is 3 and the 4th term is 81. What is the 10th term of the sequence?

[单选题]How do the militants justify their kidnapping of oil workers?

[问答题]咨询中，基本的提问方式有哪些？

[单选题]《中华人民共和国担保法》规定，动产质押，是指债务人或者第三人将其动产（），将该动产作为债权的担保。

[问答题]如何设计肩关节前后位。

[单选题]设计方进度控制的任务是依据（）对设计工作进度的要求，控制设计工作进度。

[填空题]实现中国梦必须凝聚中国力量。这就是（）。

[单选题]将我国①第一高峰；②第一大湖；③第一大岛；④第一大经济特区，按从南到北的顺序排列，依次是（　　）。

[单选题]《铁路旅客运输规程》规定，车票改签前后，有效期按（）起计算。

[单选题]新生儿肺炎通过羊水感染常见的致病菌是（）

[单选题]在幼儿园环境创设中，要把大小环境有机结合在一起，实现学校与家庭、社区的合作，这体现了（　　）原则。

非专业可以考出版资格证书吗？有哪些报考条件？

关于BEC考试有哪些备考建议？

为什么要考BEC？

有哪些学习商务英语的好方法？

商务英语考试（BEC）难不难？

都说GRE考试难，那么它究竟难在哪？

什么是GRE考试？

雅思考试在即，如何快速备考？

说说雅思考试那些事

雅思5.5相当于CET几级的水平？

[单选题]The first term in a geometric sequence is 3 and the 4th term is 81. What is the ...

[单选题]The first term in a geometric sequence is 3 and the 4th term is 81. What is the ...

[单选题]What is the next term in the sequence: 4, 9, 6, 11, 8, 13?

[单选题]What is the next term in the sequence: 2, 8, 32, 128…?

[单选题]What is the next term in the sequence: 2, 8, 32, 128…?

[单选题]After the first term in the sequence below, each odd-numbered term can be found ...

[单选题]After the first term in the sequence below, each odd-numbered term can be found ...

[单选题]The term （） refers to one complete sequence of operations required to produce po...

[单选题]al, a2, a3, a4, as, …., anIn the sequence of positive integers above, al = a2 = ...

[单选题]The first two terms of a sequence are 243 and 81. Each term after the first is e...