— How ________ are these apples?
— $10 each kg. It is so expensive that ________ of us can buy them.
A:much; all
B:much; few
C:many; all
D:many; few
对下边漫画认识正确的是( )
关于速度的描述,下列说法中正确的是( )
____+b=____+a
将下列植物的名称与相应的特征用线连接起来。
①墙藓 A没有根.茎.叶等器官的分化
②海带 B有根.茎.叶的分化,体内有输导组织
③卷柏 C有茎和叶,体内没有输导组织