已知函数y=(2﹣m)x+m2﹣4是正比例函数,则m=( ).
﹣2.
Listen! Do you hear someone_______ for help?[ ]
A. calling
B. call
C. to call
D. called
非结算会员下达的交易指令应当经全面结算会员期货公司审查或者验证后进入期货交易所。()