第6题: [单项选择]What does the woman imply A. She doesn’t remember much about Portland. B. She’s never been to Portland. C. She knows someone else who could help him. D. She’d be happy to talk to the man later. 参考答案:A 答案解析:[听力原文] M: I need to talk to someone who knows a lot about Portland. Someone said you lived there.
第10题: [单项选择]羊水中哪一种物质反映胎肝逐渐发育成熟() A. 葡萄糖 B. 脂肪酶 C. 肌酐 D. 胆红素 E. 脂肪细胞 参考答案:D 答案解析:随着胎儿肝脏酶系统逐渐完善,肝功能逐渐健全,结合胆红素能力增加,非结合胆红素下降,当A450<0.02提示胎儿肝成熟,A4500.02~0.04提示胎肝成熟