【单选题】The form of government is based on the three main principles:______, the separation of powers and respect for the Constitution and the rule of law.
【判断题】Part 3 mainly describes the author’s stuttering problem when he was a child and the process of how Prof. Crouch helped the boy tackle the problem by way of the forced public speaking.
【简答题】____ he retires, Prof. Baker will have taught in the university for almost forty years. A) By this time B) At the time C) At the same time D) By the time