丁香花萼的特征是
A.先端四裂,肥厚
B.先端五裂,肥厚
C.先端四裂,膜质
D.先端五裂,膜质
E.先端六裂,裂片三角形
参考答案:A
解析:丁香花萼先端四裂,肥厚。故答案选A。
The nurse is caring for a neonate with congenital clubfoot. The child has a cast to correct the defect. Before discharge, what should the nurse tell the parents
A. "The cast will be removed in 6 weeks. "B. "A new cast is needed every 1 to 2 weeks. "C. "A short leg cast is applied when the baby is ready to walk. "D. "The cast will be removed when the baby begins to crawl. "
下述3个反应:
(1)S(s)+O2(g)→SO2(g)
(2)H2(g)+O2(g)→H2O2(g)
(3)C(s)+H2O(g)→CO2(g)+H2(g)
按ΔrSθm增加的顺序为()。