入夜为甚的胸痹多属何证 ()
A.气滞心胸
B.心血瘀阻
C.气阴两虚
D.心肾阴虚
E.寒凝心脉
参考答案:B
“You can have some cakes, ______ you must wash your hands first.” Mum says.
A.and
B.or
C.but
D.so
为使蓄电池在正常浮充电时保持满充电状态,每个蓄电池的端电压应保持为多少?