(单选题)61: 氮负平衡常见于下列哪种情况？( )
A: 长时间饥饿
B: 大量失血
C: 大面积烧伤
D: 消耗性疾病
E: 以上都可能
1.(text)I.VocabularySkills（2points） Completethefollowingstatementsbychoosingth...
1.(完形填空题)1．ListentotheconversationanddecidewhetherthefollowingisT(true)orF...
1.(完形填空题)1．ListentotheconversationanddecidewhetherthefollowingisT(true)orF...
1.(完形填空题)1．ListentotheconversationanddecidewhetherthefollowingisTrue(T)orF...
1.(完形填空题)1．ListentotheconversationanddecidewhetherthefollowingisTrue(T)orF...
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