A:闭关锁国政策
B:官商分利政策
C:重农抑商政策
D:厉行文化专制
Farah became pale after going to her father because________.
唐太宗曾对吏部尚书杜如晦说: “今专以言辞刀笔取人, 而不悉其行, 至后败职, 虽刑戮之, ( )
而民已敝矣。”这句话意在强调
假设列车进入扬州东站时做匀减速直线运动,下列图中关于列车运动的x﹣t图或v﹣t图正确的是( )