素有“裸子植物故乡”美称的国家是[ ]
A.中国
B.日本
C.美国
D.加拿大
A
English is a language that many people around the world _______not speak perfectly but _________at least understand.
A.may,can
B.would,might
C.can,must
D.should,can
系统自动化计算是指每次修改或录入一个工资项数据后,系统立即自动予以计算并生成新的数据表。 ( )