第21题: [单项选择]卵巢浆液性乳头状囊腺癌的血清标记物是 A. AFP B. CA125 C. ACTH D. E2 E. HCG 参考答案:B
第22题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. She is a generous woman by nature. B. It doesn’t have a back cover. C. She feels the man’s apology is enough. D. It is no longer of any use to her. 参考答案:D 答案解析:[听力原文]
M: I’m terribly sorry, Anna, I lost the magazine you lent me the other day.
W: It doesn’t m