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【单选题】
蛋白质表观消化率与蛋白质真消化率相比(    )
A.
表观消化率大于真消化率    
B.
表观消化率小于真消化率
C.
表观消化率等于真消化率    
D.
计算真消化率时不包括粪代谢氮
E.
计算真消化率时包括尿代谢氮
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【单选题】---Did you fall in love with that girl _____ you met her? ---Yes. Now we lead a happy life.
A.
for the first time
B.
the first time
C.
first time
D.
by the first time
【单选题】激活B细胞产生抗体过程中依赖T细胞的辅助抗原称为()
A.
半抗原
B.
完全抗原
C.
共同抗原
D.
TD-Ag
E.
TI-Ag
【单选题】抑制钠钾泵活动将导致
A.
细胞内Na+浓度升高
B.
细胞外K+浓度升高
C.
细胞内外Na+、K+均浓度升高
D.
细胞内外Na+、K+均浓度降低
【多选题】细胞外高钾将导致
A.
心肌收缩减弱
B.
房结区细胞自律性升高
C.
浦肯野细胞自律性降低
D.
窦房结自律性降低
E.
心室肌传导速度减慢
【简答题】完形填空。 Only Mother's Love is true love. She gives you everything all her life. When you are a baby, mother looks after you 1 . In your waking hours she always holds you in her arms. When you are ill, s...
【单选题】激活B细胞产生抗体过程中有T细胞和巨噬细胞参与的抗原物质是
A.
完全抗原
B.
不完全抗原
C.
胸腺非依赖性抗原
D.
胸腺依赖性抗原
E.
共同抗原
【简答题】Only mother’s love is true love. It gives everybody everything in all his life. When you are still 小题1: boy, mother takes good care of you as possible. In your walking hours, she always holds you in h...
【多选题】细胞外高钾将导致
A.
心肌收缩力减弱
B.
心肌动作电位时程和有效不应期缩短
C.
心室肌传导速度减慢
D.
窦房结自律性升高
E.
心肌细胞静息电位减小(去极化)
【简答题】Only Mother Love is true love. It gives everybody everything all 56._________ life. When you are still a baby, Mother takes good care of you as possible. In your walking hours she always holds you in ...
【简答题】 简述行为契约的具体内容?
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