退火或正火,可以消除毛坯制造时的内应力,但不能改善切削性能。( )
参考答案:错
根据句意和汉语提示,填写恰当的短语完成下列句子。
1. We are so tired these days. We are planning to ____________(休假) next month.
2. I can't play table tennis with you this afternoon because I will ________________(上一节舞蹈课).
3. Her brother will _____________(装扮成) an ugly duck in the game.
4. Last Friday, Lucy's mother ___________(做面条) for us and we had a nice meal.
5. I'm sure that all you will ____________(玩得开心) in Watertown.
君子奉行()的哲学
A、损人而利己
B、贱己而贵人
C、莫关天下事
D、权谋制人