如图,用12块相同的小长方形瓷砖拼成一个大的长方形,则每个小长方形瓷砖的面积是( )
A:175cm2
B:300cm2
C:375cm2
D:336cm2
He has ________ all of the money and no one would like to help him.
读中国民族分布图(如图),回答下列问题.
花生播种前常要松土的主要原因是种子萌发需要( )