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【单选题】
可用于人工主动免疫的免疫原是( )。[单选题] *A.
佐剂
B.
类毒素
C.
内毒素
D.
外毒素
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皮皮学刷刷变学霸
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【单选题】血友病是一种遗传性凝血障碍的出血性疾病,下列哪组最多见:( )
A.
血友病甲
B.
血友病乙
C.
血友病丙
D.
血管性假性血友病
E.
VonWillebrand因子缺乏
【单选题】听力原文： W: Good morning, can I help you? M: Yes, good morning, I've just got a few queries, I wonder if you could help me sort them Out. W: I'll see what I can do. M: Can you tell me when Sudeley Castle...
A.
In a castle.
B.
In a tourist office.
C.
In a restaurant.
D.
In a museum.
【单选题】关于出血性疾病的发病，下列哪项说法是正确的（）
A.
血管壁功能异常均为获得性的
B.
血小板功能异常均为遗传性的
C.
遗传性凝血因子缺乏一般为多种凝血因子同时缺乏
D.
获得性凝血因子缺乏常为单一凝血因子缺乏
E.
先天性凝血因子缺乏症中以血友病甲最常见
【单选题】听力原文：M: Good morning, can I help you? W: Yes, good morning, I've just got a few questions. I wonder if you can help me sort them out. M: I'll see what I can do. W: Can you tell me when Sndeley Castle ...
A.
Where it is.
B.
When it is open.
C.
How she can go there.
D.
What she can see there.
【简答题】听力原文：Student: Good morning! Woman: Good morning- can I help you? Student: Yes, is this where we register for the Beyond 2000 Conference? Woman: Yes? What's your name and I'll get your conference bag. ...
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