第17题: [单项选择]脊髓不完全性损伤的病理生理改变描述不正确的是() A. 6小时后灰质遍布出血灶,白质出现水肿 B. 最早的组织学改变是中央灰质出现点状出血 C. 12小时后白质中发现出血灶,神经轴突开始退变,灰质中神经元退变坏死 D. 24小时以后,灰质中神经元几乎不能找到,白质中不少神经轴突退变浊肿 E. 6小时以内灰质与白质均无明显改变 参考答案:E
第34题: [单项选择]What do we learn about the man from this conversation () A. He is rather disappointed. B. He is highly ambitious. C. He can’t face up to the situation. D. He knows his own limitations. 参考答案:D 答案解析:
W: Aren't you disappointed that you didn't get the promotion
M: Maybe a littl