圆锥型套筒冠义齿,需减轻负荷的基牙内冠内聚度是()
A.2度
B.4度
C.6度
D.8度
E.>8度
参考答案:E
The Lantern Festival, also known as Yuanxiao Festival or Shanguuan Festival, __________ the 15th day of the 1st lunar month in China
A falls for B falls out C falls on D falls off
气管插管心血管反应主要下列哪项激素分泌增加所致()
A.ACTH
B.皮质醇
C.心钠素
D.去甲肾上腺素
E.肾上腺素