前置胎盘的临床表现是
A.胎先露下降受阻B.无痛性 * * 出血C.有痛性 * * 出血D.子宫底升高E.出血与胎盘位置无关
参考答案:B
根据句意每空填上一个适当的单词。
1. Jackie Chen is a famous film ________________.
2. We usually have a 10 minutes' ________________ between two lessons.
3. The second largest continent in the world is ________________.
4. Our motherland is a country with a very long ________________.
5. Science and art are my favourite ________________.
人类社会行为的确立是()
A.适应过程
B.社会化过程
C.联系过程
D.模仿过程
E.学习过程