Wang Yi: U.S. must be rational about ChinaPresident Xi engages in lively discussion with deputiesChina, Angola elevate bilateral tiesFM: China supports int'l peace conference on Ukraine crisisTop adviser reaffirms opposition to 'Taiwan independence'Ministry: U.S. practice disrupts normal business activitiesChina's envoy calls for collective action on nuclear disarmamentXi congratulates Zardari on Pakistan presidency winChinese scholar introduces nation's human rights protection of the disabled at Human Rights CouncilUN human development report shows China's great progress