单项选择题
The House Speaker and the temporary President of the Senate are usually（）
A.elected by the majority party B.chosen from the majority and minority parties C.members of the majority party D.chosen freely from the Congressmen and Senators
单项选择题 Today,there are altogether（）departments of the U.S.government.
单项选择题 A president can serve（）term(s).
单项选择题 The President of the United States is elected（）
