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【单选题】
肝细胞再生时，下列____酶活性的升高最为显著A.
天冬氨酸氨基甲酰转移酶
B.
鸟氨酸氨基甲酰转移酶
C.
精氨酸酶
D.
精氨酸代琥珀酸裂解酶
E.
精氨酸代琥珀酸合成酶
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Children are easily exposed to the Internet culture _____ violence increases to such a degree that parents don't allow them to go online. [ ]
A.
which
B.
whose
C.
where
D.
that
【简答题】注意的外部表现包括 和 。
【单选题】As consumption increases, total utility increases
A.
at an increasing rate.
B.
at a decreasing rate.
C.
at a constant rate.
D.
and marginal utility increases.
【单选题】(p. 59) As the number of perceived service alternatives increases, the level of adequate service _____ and the zone of tolerance _____.
A.
Decreases; narrows
B.
Decreases; widens
C.
Increases, widens
D.
Increases; narrows
E.
Stays the same; stays the same
【判断题】The strength ofthe composite increases as the fiber-aspect ratio increases.
A.
正确
B.
错误
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