单项选择题
If the president wants to put a treaty into effect, he has to get the approval by two thirds of the （）
A.Senate B.Cabinet C.Congress
单项选择题 （）is the largest state in area in the U.S.A.
单项选择题 The president (or head) of the House of Lords in Britain is （）
单项选择题 The Federal Government and the states governments are supposed to （）each other.
