含有甾体母核的苷类化合物是( )。
A.黄芩苷
B.苦杏仁苷
C.蒽醌苷
D.黄酮苷
E.强心苷
参考答案:E
解析:强心苷属于C17侧链为不饱和内酯环的甾体化合物。
From the time each of my children started school, I packed their lunches.... Since I was still making
lunch for his younger brother, I one for Marc, too. [ ]
A. packed
B. fetched
C. bought
D. filled
浅Ⅱ度烧伤的愈合时间一般为()
A.1~3天
B.6天
C.3~4周
D.1~2周
E.4周以上