组成粗肌丝的是(本题1.0分)

组成粗肌丝的是(本题1.0分)A A. 肌球蛋白B B. 肌动蛋白C C. 原肌球蛋白D D. 肌钙蛋白E E. 肌红蛋白

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Is Tom at school today? No, He’s at home ______ he

Is Tom at school today? No, He’s at home ______ he has a bad cold.( )A A. becaus

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Astronauts are ______ all kinds of tests before th

Astronauts are ______ all kinds of tests before they are actually sent up in asp

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自动满足基尔霍夫电流定律的电路求解法是支路电流法。

自动满足基尔霍夫电流定律的电路求解法是支路电流法。

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