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【单选题】
风湿热的前驱期感染常发生于起病前()A.
1~4
B.
1个月
C.
2~3个月
D.
4~6个月
E.
7~9个月
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举一反三
【简答题】I had the meanest mother in the world. While other kids ate candy for breakfast, I had to have cereal (谷类食物), eggs or toast. While others had Cokes and candy for lunch, I had to eat a sandwich. As you...
【简答题】I had the meanest mother in the whole world. While other kids ate candy for breakfast, I had to have cereal, eggs or toast. While others had Cokes and candy for lunch, I had to eat a sandwich. As you ...
【简答题】I had the meanest mother in the whole world. While other kids ate candy for breakfast, I had to have porridge, eggs or toast. When others had Cokes and candy for lunch, I had to eat a sandwich. But at...
【简答题】I had the meanest mother in the world. While other kids ate candy for breakfast, I had to have eggs and toast. Others had cokes and candy for lunch while I had to eat a sandwich. As you can guess, my ...
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