新生儿生后2～3天出现黄疸者最常见的是（）。
A.败血症
B.母乳性黄疸
C.新生儿肝炎
D.生理性黄疸
E.胆道闭锁
参考答案：D
单词拼写。
1.We come from China.We speak C__________.
2. December is the t__________ month of the year.
3. B__________ is the date of one's birth.
4. N__________ comes after October.
5. The Spring __________ is important to every Chinese.
对于肠道吸收的维生素AD和胡萝卜素来说，下列哪种物质是必须的（）
A.盐酸
B.胆盐
C.脂肪酶
D.胆固醇
