第33题: [单项选择]急性炎症性脱髓鞘性多发件神经病最常见的首发症状是() A. 双下肢远端对称性弛缓性瘫痪 B. 腱反射减弱或消失 C. 肢体感觉异常 D. 小便潴留 E. 直立性低血压 参考答案:A 答案解析:急性炎症性脱髓鞘性多发件神经病主要表现如下运动障碍:1、肢体瘫痪。2、射干肌瘫痪。3、颅神经麻痹。
第36题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. She is very happy that the English class was cancelled. B. She meant to go but slipped. C. She meant to go to class but forgot. D. She forgot to tell him. 参考答案:D 答案解析:[听力原文]
M: Nobody told me that the English class was cancelled today.
W: Yeah, sorry, I want to, bu
第37题: [单项选择]人类原细胞要形成生殖细胞必须经过() A. 无丝分裂 B. 二分裂 C. 有丝分裂 D. 减数分裂 参考答案:D 答案解析:性细胞分裂时,染色体只复制一次,细胞连续分裂两次,染色体数目减半,以保证物种染色体数目稳定。