We waited for him at the school gate , but he didn't appear until nine.
A:know
B:finish
C:look around
D:come
go to the park fly a plane turn off by bike playing football
在学完全等三角形后,李老师给出了下列题目:
求证:角的内部到角的两边距离相等的点在角的平分线上.
已知:
求证:
证明:
请为下面的字加上偏旁,成为另外一个字,并给它组词。
田____ ____ 古____ ____ 内____ ____
由上题实验中能得到的结论是( )
从南极到北极,纬度变化的规律是( )