已知等比数列{a_n}、等差数列{b_n}，满足a₁＞0，b₁=a₁﹣1，b₂=a₂，b₃=a₃且数列{a_n}唯一．

（1）求数列{a_n}，{b_n}的通项公式；

（2）求数列{a_n•b_n}的前n项和．

写出与问句相对应的答句。

①Where are the boys?____           A. Yes, they are.

②Are they on the table?____          B. They're in the classroom.

③How much is your book?____        C. Yes. Here you are.

④Can I have some fish ?____          D. I'd like a glass of water.

⑤What would you like?____           E. Eight yuan.

My brothers____ in America. And my cousins ____ in Japan.

望子成龙是天下父母的共同心愿。子女与父母的冲突往往基于（    ）