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【简答题】
维生素K在临床上主要用于防治多种原因导致的出血,其止血机制是可作为辅酶在肝内参与凝血因子____、____、____、____的合成。
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皮皮学刷刷变学霸
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【单选题】听力原文：W: We are going to the coffee shop. Aren't you coming? M: Sorry, I'm waiting for an important call. Maybe next time. W: Ok, have a good day. What does the man imply?
A.
He can't go now.
B.
He want to call someone.
C.
He can't wait any longer.
D.
He wants to drink a cup of coffee very much.
【简答题】ASAP
【简答题】如图所示的电路中已知I 1 =0.01A,I 2 =0.3A,则I 3 = A
【简答题】asap
【简答题】apply ASAP
【简答题】asap