Clearly, the US federal government seeks to act in the best interests of its citizens through the system of “Checks and Balances” , and each branch is independent of the others. ________
【单选题】听力原文:W: It' s good to see you again. What are you doing these days? You' re still working at the same place, aren' t you? M: Yes, I am. And I'm counting the days until retirement. Q: What can we learn...