新生儿黄疸于生后24小时内出现者首先考虑()
A. 新生儿窒息
B. 新生儿败血症
C. 新生儿肝炎
D. 新生儿溶血症
E. 先天性胆道闭锁
Nine in ten parents said there were significant differences in their approach to educating their children compared with __________ of their parents.
A. those
B. one
C. both
D. that
18世纪法国物理学家(),根据有关扭力方面的知识,提出了电荷的反比平方律,这是近代电磁学理论第一个()定律。
古德伊尔发明橡胶的硫化法,解决了生胶变粘发脆问题,使橡胶具有较高的__________和________,橡胶才真正进入工业实用阶段。