"益火之源,以消阴翳"的治法最适用于()
A.阴盛则寒之证
B.阳盛则寒之证
C.阴盛伤阳之证
D.阴损及阳之证
E.阴阳俱损之证
参考答案:B
We must ______ known to all that smoking is harmful to heart.
A.this
B.that
C.it
D.the matter
A.电流表的示数为3/11 A
B.通过灯泡的电流的频率为50Hz
C.电流表的示数为3/22 A
D.理想变压器原、副线圈匝数之比为2:1