金属能否用铸造方法制成优良铸件的性能称为金属的（）。
A.铸造性
B.锻压性
C.可焊性
D.切削加工性
参考答案：A
-May I come in? I'm sorry I am late.
-Come in, please. But could you please tell me ?[ ]
A. what were you doing then
B. why are you late again
C. who you talked with
D. how did you come to school
根据我国《关于实施农村医疗救助的意见》的规定，农村医疗救助的对象主要有( )。
A．农村五保
B．农村贫困户家庭成员
C．农村伤残人员
D．农村无劳动能力居民
E．农村户口居民
