风机的风量调节方法有:()
A.送风风门控制
B.进风风门控制
C.导流器调节
D.风叶的变速调节
参考答案:A, B, C, D
脊髓型颈椎病主要体征不包括()
A.屈颈试验阴性
B.反射亢进、踝、膝阵挛
C.最后呈现为痉挛性瘫痪
D.病理反射Hoffmann反射阳性
E.X线椎管矢径小、骨刺形成明显(椎体后缘)、后纵韧带骨化
Each day is a gift, and ______ my eyes open, I’ll focus on the new day and all the happy memories I’ve stored away.
A.as well as
B.as much as
C.as long as
D.as far as