原式=3+4×12-4+1
=3+2-4+1=2．
There are varieties of programs in the TV station to ________ many different types of interests and tastes among the public.
A．attend to
B．appeal to
C．adjust to
D．adapt to
收入形成账户和原始收入分配帐户的起点指标分别是（）。
A.增加值和营业盈余
B.劳动报酬和增加值
C.增加值和财产收入
D.政府税收和劳动报酬
