(单选题)47: 导致蛋白质变性的因素不包括( )
A: 冷冻
B: 强酸
C: 去污剂
D: 重金属盐
E: 紫外线
1.(匹配题)SectionINewwordsI.Matcheachvocabularywordontheleftwiththecorrectdefini...
1.(text)I.ReadingComprehension(5points) Readthefivemain-ideaquestionsthatfollowa...
1.(完形填空题)1．ListentotheconversationanddecidewhetherthefollowingisTrue(T)orF...
1.(完形填空题)1．ListentotheconversationanddecidewhetherthefollowingisT(true)orF...
1.(完形填空题)1．ListentotheconversationanddecidewhetherthefollowingisTrue(T)orF...
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