心室肌细胞电位各时期跨膜电位变化不包括()
A.0期去极
B.1期复极
C.2期平台期
D.3期复极
E.4期自动除极
参考答案:E
Those who are not _____ with the progress they 've made will have greater success. [ ]
A. proud
B. afraid
C. popular
D. content
为目前取代天然油脂的较理想的栓剂基质()
A.可可豆脂
B.聚氧乙烯单硬脂酸酯
C.甘油明胶
D.半合成脂肪酸甘油酯
E.聚乙二醇类