桑螵蛸散证的病机特点是（）
A.脾肾亏虚
B.膀胱虚寒
C.心脾两虚
D.心肾两虚
E.肾虚不固
参考答案：D
It is to read the books our teacher recommended , for they are well _____ reading.
A．worthy ; worthwhile
B．worth ; worthwhile
C．worthwhile ; worthy
D．worthwhile ; worth
有人说“中国人整体素质差”，你同意吗说明理由。
