A、J文件中“??????”表示()。
A.数据文件结束
B.观测数据段结束
C.附加信息段结束
D.质量控制段有疑误
参考答案:A
代赭石的主治病证是
A.肝阳眩晕
B.嗳气呕吐呃逆
C.气逆喘息
D.血热吐衄
E.瘰疬痰核
We'd better wait ______ more minutes. I think Jeff will come soon, [ ]
A. a few
B. few
C. a little
D. little