锻件的粗晶结构是由于（）
A.终锻温度太高
B.始锻温度太低
C.终锻温度太低
D.始锻温度太高
参考答案：A
The shoes ________ that he ________ at last.
A．cost so expensive; gave them away
B．took too much; gave them up
C．took such little; gave them out
D．cost so much; gave them up
山茱萸含
A．针晶B．砂晶C．簇晶D．方晶E．柱晶
