题目内容

整形外科临床上常需作血管修复,请指出以下哪种说法是错误的()

A. 有用中国制造的真丝人造血管
B. 人造血管中效果最好的是尼龙制造的
C. 经处理的人类脐带静脉是中小动脉修复的良好材料
D. 自体静脉移植代替动脉,只适用于四肢较小的动脉
E. 同种异体血管经低温冷冻干燥,特别是1%~2%戊二醛处理后,基本上可以去除抗原性

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配螺旋筋的混凝土柱体受压试件,其抗压强度高于fc是因为()。

A. 螺旋筋参于受压
B. 螺旋筋使混凝土密实
C. 螺旋筋约束了混凝土的横向变形
D. 螺旋筋使混凝土中不出现内裂缝

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A. 真人养脏汤
B. 芍药汤
C. 枳实导滞丸
D. 白头翁汤
E. 温脾汤

You work as a senior administrator at ABC.com.The ABC.com network consists of a single domain named ABC.com.All servers on the ABC.com network have Windows Server 2012 R2 installed.You are running a training exercise for junior administrators. You are currently discussing storage pools.Which of the following are TRUE with regards to storage pools?()

A. It allows you to group physical disks into one or more containers.
B. It prevents you from grouping physical disks into one or more containers.
C. It allows you to easily add storage without impacting users.
D. It allows you to easily add storage with minor impact on users.

酶生物合成的3种调控模式?

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