冷加工金属经再结晶退火后,下列说法哪个是错误的?()
A.其晶粒形状会改变
B.其机械性能会发生改变
C.其晶格类型会发生改变
D.其晶粒大小会发生改变
参考答案:C
You can buy clothes _______ in Mary’s Store.
A. the cheapest B. the most cheaply C. the most cheap
评价烟叶安全的指标是()