电能的单位,度与焦耳的换算关系是1度等于()J。
A.360
B.3600
C.3.6×106
D.3.6
参考答案:C
---I heard your grandpa used to be a teacher.
--- Yes. He was a math teacher ________.
A.on the 1950s
B.in the 1950s
C.at the 1950’s
D.in 1950’s
IPQC负责对()进行标识。
A.制程不良品
B.生产物料
C.在制品
D.原材料