⑴ ____
⑵ ____
⑶ ____
⑷ ____
⑸ ____
A.Show me your marker.
B.Touch your desk.
C.Show me your English book.
D.Touch your chair.
E.Show me your Chinese book.
神经系统的结构和功能的基本单位是____,它包括____ 和突起两部分.
480÷80=6,480扩大10倍,80缩小10倍,商是( )