A:针叶林—针阔混交林—落叶阔叶林—常绿阔叶林
B:冬小麦—玉米—春小麦—水稻
C:棉花—亚麻—桑蚕丝—剑麻
D:一年一熟—一年两熟—两年三熟—一年三熟
Each of us is likely to develop a personal _______ for certain types of entertainment.
请写出移动后仍成立的两个等式:
按照“四舍五入”法,求出商的近似值,填在下表里.