A:
B:
C:
D:
I have been to quite a few museums, but I can say this one is _______.
在如图的列联表中,类Ⅰ中类B所占的比例为( )
— , but someone thinks it's .
春节时,北方的黑龙江省已是冰天雪地,天寒地冻,而此时的海南省却是鸟语花香,一派春耕大忙景象,造成这种南北景观差异的根本原因是( )