【简答题】已知5是关于x的方程3x-2a=7的解,则a的值为( )。
【单选题】已知3是关于x的方程2x-a=1的解,则a的值是( )
【单选题】毛坯工件通过找正后划线,可使加工表面与不加工表面之间保持()。
【单选题】This passage is about ______.
A.
the relation between social class of the parents and their children's rearing
B.
the similarities between working class and middle class parents
C.
the differences between parents of working class and the ones of middle class
D.
the relation between working class and middle class in their working places
【多选题】对于信用证与合同关系的表述正确的是_______。
【单选题】毛坯工件通过找正后划线,可使加工表面与不加工表面之间保持( )。
【单选题】毛坯工件通过找正后划线,可使加工表面与不加工表面间保持( )
【单选题】已知3是关于x的方程5x-a=1的解,则a的值是( )
【单选题】( ) is the study of the relation between language and mind, especially language acquisition and learning, and
【单选题】工件毛坯通过找正后划线,可使加工表面与不加工表面 之间保持()