既能补肾固精，又能养肝明目的药物是（）
A.决明子、石决明
B.青葙子、谷精草
C.菟丝子、沙苑子
D.车前子、牛蒡子
E.女贞子、夏枯草
参考答案：C
-- Mom, I’ m going to the graduation dance tonight but I don’ t think I look attractive enough.
— Oh, darling, don’ t worry. _______
A．They don’t know what beauty is.
B．Nobody will care about it.
C．You look perfect the way you are.
D．Impossible is nothing,
B类IP地址以（）开头，网络地址为（）位，主机地址为（）位 。
