【单选题】The whole story reflects the psychological truth of the American people before and after the American Revolution.
【单选题】The U.S. government and some of the American people believe that reducing America's dependence on foreign petroleum is one of the reasons to start research into the possibility of using ethanol.
【单选题】The history of the American people is,【C1】______, the history of the movement of the American people. They moved from the colonies of the East Coast to the open space of the【C2】______They moved from t...
【单选题】在对高速及重型机械进行力分析时必须计其各构件的()。