None of these is an end in itself. They are tentative, experimental. They are movements not towards something definite but away from something definite.

单项选择题The 1982 Oil and Gas Act gives power to permit the disposal of assets held by the Corporation. And ______ the Corporation s statutory monopoly in the supply of gas for fuel purposes so as to permit private companies to compete in this supply.

单项选择题Because of her dual nationality in the United States and Mexico, Maria was almost required to pay taxes in both countries until her accountant ______ with a satisfactory solution for both countries.