定义新运算⊕:当a≥b时,a⊕b=a;当a<b时,a⊕b=b2,则函数f(x)=(1⊕x)x-(2⊕x),x∈[-2,2]的最大值等于[ ]
A.-1
B.1
C.6
D.12
答案:C
The computer centre, ____ last year , is very popular among the students in this school.
A.open
B.opening
C.having opened
D.opened
商业银行可以根据市场状况,自行确定存款利率,但必须予以公告。
A、正确
B、错误