第14题: [单项选择]______the financial means to remain independent Edison was compelled to seek employment as a night telegraph operator. A. He was deprived of B. Deprived of C. That he was deprived of D. Although he was deprived of 参考答案:B 答案解析:语法分析题。过去分词用在句首作一个原因状语,Edison和deprive of之间是被动关系,由于过去分词本身表示了一个被动概念,所以不用被动语态。根据题意,B为正确答案。句意:由于被剥夺了经济来源,
第25题: [单项选择]实质性脏器破裂腹腔内积血不凝的主要原因是() A. 出血量大 B. 凝血酶原降低 C. 凝血因子被破坏 D. 腹膜脱纤维作用 E. 血液被腹膜渗液稀释 参考答案:D 答案解析:诊断性腹腔穿刺术若抽到不凝固血液,提示腹内实质性脏器破裂出血,病人腹腔内积血不凝的主要原因是腹膜的脱纤维作用使血液不凝。