— Would you like to go for a picnic to enjoy the fresh air outside this weekend? — __________. It will be a sunny day.
A:I'd love to
B:Don't mention it
C:No, I won't
D:It doesn't matter
结合材料,运用企业的经营与发展的知识,说明企业应如何破解“三高”现象。
如图,在半径为2cm的⊙O中有长为23cm的弦AB,则弦AB所对的圆心角的度数为( )