药性沉降，入肾纳气平喘，治虚喘常用的药为
A．葶苈子B．磁石C．桑白皮D．龙骨E．B+D
参考答案：B
—Would you like me the radio a bit?
—No, it’s all right. I’m used with the radio .
A．to turn down; to work; on
B．turning down; to working; on
C．turning down; to working; off
D．to turn down; to working; on
象征性交货
