— We often take part in after-class activities. I like to play _______ basketball, but my brother likes to play________ guitar.
四大文明古国之―的古代印度有严格的等级制度,史称“种姓制度”,下列示意图能够反映古代印度种姓制度的是( )
下列关于生物与非生物最本质区别的叙述,正确的是( )
如图,木工用图中的角尺画平行线的依据是____ .