胎儿娩出后立即出现的大量 * * 出血,最佳的处理方法是
A.立即手取胎盘
B.检查有无软产道裂伤
C.抽血做交叉配血
D.检查凝血功能
E.立即输新鲜血
参考答案:B
钢坯的分段工具经常采用热锯。
Morphemes which represent such grammatical categories as number, tense, gender, and case are called _______ morphemes. ( )
A.free
B.bound
C.derivational
D.inflectional