100千克稻谷可以碾出大米75千克.则大米重量与稻谷重量的比是________,化成最简整数比是________.( )
A:55∶120,2∶3
B:100∶75,4∶3
C:75∶100,3∶4
D:95∶150,2∶5
Let's ____(成立) a home library.
Since then, he has worked in a big company.
猜一猜:____号小朋友是小明,____号小朋友是小兵,____号小朋友是小华.