She ____________ a big mouth. [ ]
A. has
B. is
C. are
答案：A
粗碎机主要有颚式破碎机、较大的密封粉碎机、圆锥式破碎缩分联合机等。
V5.x系统中，手工清除Sybase中zxcms数据库日志的SQL语句是（）
A.dump transaction zxcms with no_log
B.dump transaction zxcms with nolog
C.dump transaction zxcms with no-log
D.drop transaction zxcms with nolog
