A:obviously; told the truth
B:obvious; told a truth
C:obvious; told the truth
D:obviously; told truth
在△ABC中,∠C=120°,tanA+tanB=233,则tanAtanB的值为( )
2003年3月20日美国总统布什发表对伊宣战演讲,以美国为首的联军开始了对伊拉克的军事行动。依照美国宪法的基本原则如何来看待这一军事行动的实施?