(单选题)67: 体内氨的主要代谢去路是??( )
A: 合成非必需氨基酸
B: 合成谷氨酰胺
C: 合成嘧啶碱
D: 合成尿素
E: 合成嘌呤碱
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...