The slogan What goes up must come down was so universally accepted by economists that it was considered().
A.a conjecture
B.an axiom
C.an argument
D.a fad
正确答案:an axiom
The slogan What goes up must come down was so universally accepted by economists that it was considered().
A.a conjecture
B.an axiom
C.an argument
D.a fad
正确答案:an axiom