问题
单项选择题
男性患儿，2岁。腹膜后肿块5个月，直径3cm，病理诊断为恶性肿瘤。最可能的肿瘤是（）。
A.错构瘤
B.神经鞘膜瘤
C.神经母细胞瘤
D.囊性畸胎瘤
E.平滑肌肉瘤
答案
参考答案：C
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男性患儿，2岁。腹膜后肿块5个月，直径3cm，病理诊断为恶性肿瘤。最可能的肿瘤是（）。
A.错构瘤
B.神经鞘膜瘤
C.神经母细胞瘤
D.囊性畸胎瘤
E.平滑肌肉瘤
参考答案：C
Dear Dad, I’m writing to you because it’s not easy to talk about it. I still 1 clearly how my uncle died two years ago. In fact, I seriously want to ask you to stop smoking. I’ve looked up a lot of information about smoking and I found out something 2 . You know that smoking is bad for your 3 and can cause cancer. I’ve learnt that it causes many other 4 too. Do you know that over ten thousand people die from smoking every year in Britain? When mum asks you to smoke 5 , you think she’s angry. Well, it’s true that she doesn’t like the 6 of smoke in the house. When you smoke, it’s also 7 for mum and me. In other words, when we 8 in your smoke, it’s like we’re smoking ourselves. 9 , we can also get disease. Doctors are finding that more and more 10 are falling ill because of the others’ smoking. I know that it’s very 11 to stop smoking, but you must give it up. Please see the doctor and ask him 12 help. We will do anything we can to help you. You must try to 13 your own life. We don’t want to 14 you because you are so important to us. 15 you, who can help me with my maths homework or mend my bike? Please don’t smoke! Your daughter, Meimei
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