题目内容

– I'm awfully sorry.– _________

A. I’m sorry, too.
B. That's right.
C. All right.
D. That's all right.

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– I'm married!– _______!

A. Congratulations
B. Pleasure
C. Welcome
D. Cheers

– I'm glad you like the show.– _________

A. Thank you so much for inviting me.
B. Yes, I'm glad you like it, too.
C. No, not really.
D. I'll go again next time.

How do you spend your vacation? Many Americans like to have their vacations in1countries. One day an American2came to China. This was her first time to China and she wanted to3some friends there. She met a Chinese boy, Wang Tong. Wang Tong was only ten years old, and he always wanted to practice4. So he came up and said “5” to her, and then he began his first talk with a person6an English-speaking country.“How old are you?” Wang Tong7then.“I’m8. Please don’t ask a lady about her9,” she answered.Wang Tong was surprised. He didn’t know10. Can you help him?

案例分析患者女性，51岁，既往身体健康。因单位体检时，发现甲胎蛋白（AFP）升高为231.12ug/L（参考范围0~20ug/L），前来医院肿瘤科就诊。体检项目中，其他肿瘤标志物（糖类抗原CA15-3、CA125、CA72-4、CA19-9，癌胚抗原CEA，神经元特异性烯醇化酶NSE，血清铁蛋白SF等）检查均在正常范围。问题：1、什么是甲胎蛋白、癌胚抗原和糖类抗原？2、肿瘤标志物在肿瘤筛查中有何意义？