第13题: [单项选择]前置胎盘的处理,以下哪项不正确 A. 期待疗法适于阴道出血量不多 B. 期待疗法适于妊娠37周以前 C. 完全性前置胎盘应剖宫产 D. 边缘性前置胎盘应阴道分娩 E. 产后均应纠正贫血及预防感染 参考答案:D 答案解析:[解题思路] 前置胎盘的处理方案应根据阴道出血量:有无休克、妊娠周数、胎位、胎心等决定。阴道分娩仅适用于边缘性前置胎盘、枕先露、阴道出血不多,估计短期内能经阴道结束分娩者。其余几项均正确。
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A. Critical. B. Indifferent. C. Prejudiced. D. Positive. 参考答案:D 答案解析:作者在文章中用到了"benefit from this high-tech communications equipment"和"growing respect",以及"thanks to a var
第20题: [单项选择]A survey was carried out on the death rate of new born babies in that region, ______ were surprising. A. as results B. which results C. the results of it D. the results of which 参考答案:D 答案解析:该题考察的是which引导的非限制性定语从句。