问题
填空题
白血病是一种造血干细胞的恶性肿瘤,其特征为骨髓内的______弥漫性增生取代了正常的骨髓组织,并常进入______,浸润______、______、______等全身各组织和器官。其死亡率在儿童和青少年的恶性肿瘤中占第______位。
答案
参考答案:白血病细胞;外周血液;肝脏;脾脏;淋巴结;一
白血病是一种造血干细胞的恶性肿瘤,其特征为骨髓内的______弥漫性增生取代了正常的骨髓组织,并常进入______,浸润______、______、______等全身各组织和器官。其死亡率在儿童和青少年的恶性肿瘤中占第______位。
参考答案:白血病细胞;外周血液;肝脏;脾脏;淋巴结;一
从方框中选择正确的句子补全对话。 | |
A:I would like to go shopping. 1 B:I'd love to. I want to buy a coat for myself.(In a shop) C: 2 A:size five. and I'd like black shoes. C:I'm afraid we don't have any black shoes here now. They are sold out(卖完). B:(Turns to the saleslady.) Do you have any coats here? C:Yes. 3 B: 4 C:Eighty yuan. B:That's a little expensive. Can I try it on? C:Certainly. A:Oh. It looks nice on you! B:OK. I'll take it. C: 5 | |
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