12和15的最大公因数是[ ]
A.1
B.3
C.5
答案:B
—Judy, your speech is excellent!
—___________.
A.Oh no
B.Thanks a lot
C.It doesn’t matter
D.It’s nothing
血虚阳浮,虚烦不寐者,宜用______治疗;而血虚肝热导致不寐者,宜用______治疗。