小儿食指络脉显于气关为（）
A.邪气在骨髓
B.邪气深入脏腑
C.邪气入络
D.邪气入经
E.邪气在皮毛
参考答案：D
．—Are you sure of this evening’s performance, Kate?
—______. I’m well prepared.
A．I hope so.
B．It’s hard to say.
C．Sure, I am.
D．I’m afraid not.
根据国家标准GB/T498规定，依据石油产品的主要特征，将其分为几大类？
