当△ABC满足下列那个条件时，就是等边三角形（ ）
A：AB=AC，∠A=60°
B：∠B=60°
C：AB=AC
D：∠A=∠B
I like fruit as well as vegetables, because they are both good for my health.
I don't encourage people to take photographs like this without ____(允许), but by law we can publish.
所谓高处不胜寒，帝王也有帝王的困惑与苦衷，某班同学编写了一部关于“秦皇汉武”跨时空对话的穿越剧，聊聊往事，吐吐心声。
关于电磁波的叙述中，说法正确的是 （）
