题型:填空题 The World Food Prize, created in 1986, is _______each year to people who have advanced human development by improving the quality, quantity or availability of food in the world. A.awardedB.rewardedC.presentedD.represented 查看答案
题型:填空题 男性患者,25岁。早晨起床时发现四肢乏力,双下肢明显,持续1天后症状消失,发病前有饮酒史,既往曾发作2次。每次发作前查脑脊液常规、生化无异常发现。体检:四肢肌力3级,肌张力降低,腱反射减低,感觉正常。此病的发病机理目前认为和下列哪项有关()A.肌纤维炎性坏死B.中枢神经系统脱髓鞘C.神经肌肉接头的乙酰胆碱受体减少D.肌纤维内线粒体功能异常E.肌纤维内肌浆网的离子通道异常 查看答案