初中数学知识点总结:三角形内角定理
2021年12月15日 18:26
初中数学知识点总结:三角形内角定理定理:三角形两边的和...
It’s not allowed to throw litter anywhere in the public places. Everyone should obey the rules. Speaking loudly in the reading room is seemed to be very rude. Remember not to do anything that might make other people uncomfortable. We should stand in line when we are waiting for the bus. Try hard to give up the bad habits and develop good ones. We should respect the senior people and talk to them politely. Especially, we should give our seat to old people or women with babies on the bus. I think helping others can not only make us happy but also help us get more experience in life. Please cherish the public property.