单项选择题
The President of the United States is elected（）
A.indirectly by the electors B.by Congress C.directly by the voters D.None of the above
单项选择题 The writers of the Constitution worked out the Constitution worked out the checks and balances in order to（）
单项选择题 When the delegates met at Philadelphia in 1787,their task was（）
单项选择题 In 1992（）ran for the President as an independent candidate.
