带鱼性凶猛,以小型鱼虾为食,但不食同种幼鱼。
参考答案:错
I should apologize to you for failing to visit you last week, but I've been very busy_____ the past few months.
A.since
B.before
C.among
D.over
零售业务的店面经营面积(不含库房)应不少于(),其店面内不得设有生活设施.
A.30m2
B.40m2
C.50m2
D.60m2