第14题: [单项选择]新生儿生理性黄疸的原因,以下哪项不符合() A. 红细胞的寿命短 B. 红细胞数量多 C. 红细胞内酶发育不成熟 D. 肠道内正常菌群尚未建立 E. 肝功能不成熟 参考答案:C 答案解析:新生儿生理性黄疸产生的原因主要有两方面:一是新生儿胆红素代谢的特点所决定,胎儿出生后由于血氧分压突然升高,红细胞破坏很快,产生较多胆红素,而新生儿肝酶活力低,无法清除过多的胆红素,因而发生黄疸。
第33题: [单项选择]Questions 22 to 25 are based on the conversation you have just heard. A. By reading her polished essay. B. By proofreading her first draft. C. By bringing her some reference books. D. By examining her outline. 参考答案:B 答案解析:[听力原文] How would the professor help the woman after this discussion