三角形一条边的长度一定小于另外两条边长度的和.______.(判断对错)
根据三角形的特性可知:在一个三角形中,三角形任意一条边一定小于另外两边之和;
故答案为:√.
I think it _____ that she should be knowledgeable about computers for her present job.
A.urgent
B.normal
C.essential
D.temporary
阅读漫画请回答:
(1)如何正确看待老师的错误?
_______________________________________________________________________________
(2)用什么方式来指出老师的错误呢?