杜仲盐炙的火候要求是（）
A.中火炒干
B.武火炒至表面发黑
C.中火炒至颜色加深，丝易断
D.文火炒干
E.文火炒至表面深黄色
参考答案：C
—________ does it take to go to Hangzhou from Wenzhou by train?
—It usually takes about three hours.
A．How long
B．How much
C．How many
D．How often
由于乳腺癌细胞堵塞皮下淋巴管引起的是
A． * * 皮肤凹陷，出现“酒窝征”B． * * 回缩、凹陷C． * * 皮肤橘皮样改变D． * * 湿疹样变E． * * 皮肤发红、水肿
