账套主管可以建立新的账套。( )
参考答案：错
解析： 系统管理员可以建立新的账套。
Although ________ my opinion, the old professor didn't come up with his own. [ ]
A. in
B. on
C. for
D. against
危险虫粮应立即隔离并在（）天内进行彻底的杀虫处理。
A.15
B.7
C.20
D.3
