咀嚼运动的动力是
A.牙齿B.上颌骨C.下颌骨D.颞颌关节E.咀嚼肌
参考答案:E
发作期脑电图可正常,或轻度非特异性异常的,预后非常好的是()。
A.基底动脉偏头痛
B.偏头痛触发癫痫
C.良性枕叶癫痫
D.良性Rolandic癫痫--偏头痛
E.过度通气引起的高碳酸血症头痛
Beijing: The United States and North Korea had their first ________in four months here this afternoon as part of the ________negotiations on how to end North Korea’’s nuclear program, but diplomats played down prospects for________.James A. Kelly, assistant________, and Kim Yong II, North Korea’’s deputy foreign minister, met ________of formal discussions, ________on direct dialogue that began after a stormy meeting ________in which North Korea warned that it was moving quickly to ________nuclear arms.The Bush administration had insisted ________that it would only hold talks with North Korea ________because, it argued, only ________pressure would persuade North Korea to________. It got its way when North Korea dropped its insistence on ________and agreed, after extensive efforts by China, to hold unusual simultaneous negotiations with ________,________,________and ________as well as the United States.Though Bush administration officials had not ________talking privately with the North Koreans during________, the fact that Mr. Kelly and Mr. Kim met on the first day was seen as a sign of ________by the American side.