（2×10-3）2×（2×10-2）-3=______．
原式=4×10-6×2-3×106=4×18=12．故答案为12．
Take a vocabulary notebook with you all the time.Collect any good words, sentences or
articles, ________ wisdoms and wise sayings. [ ]
A. specially
B. particularly
C. absolutely
D. consequently
下列食物中，蛋白质含量最丰富的是 （ ）
A．新鲜菠菜
B．面包
C．米饭
D．鸡蛋
