By PAULINE JELINEK The Pentagon is questioning how China intends to use its rapidly expanding military power, including what it calls some "disruptive military technologies."A new Pentagon report also says Beijing continues to develop weapons that threaten Taiwan, even though tensions between the two have been reduced significantly.The assessment comes in the latest in a series of annual assessments for Congress of China's military power.The Associated Press obtained a summary of the report, due to be released later Wednesday.It says China needs to be more open about its military modernization; otherwise it risks creating uncertainty and the potential for misunderstandings and miscalculations by other nations.