下列证候,除哪项外,皆为附子汤的主证()
A.背恶寒,手足寒
B.身体痛,骨节痛
C.口中和
D.脉沉
E.下利
参考答案:E
A completely new situation is likely to when the new law comes into effect.
A.arise
B.rise
C.raise
D.rose
用量程为100A的某电流表测量一个其真值为80A的电流,仪表的指示值为80.5A,则仪表在该处的相对误差为()。
A.-0.5%
B.0.5%
C.-0.6%
D.0.6%