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【单选题】
代偿性心肌肥大不平生长的分子水平特征为( )A.
肌动蛋白减少
B.
肌球蛋白减少
C.
肌钙蛋白减少
D.
肌球蛋白ATP酶的活性下降
E.
肌球蛋白ATP酶的数量减少
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【单选题】Many large Russian cities, such as Chelybinsk and Irkutsk, have taken _____ to protect their culture. [ ]
A.
measure
B.
steps
C.
behavior
D.
act
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