A．sameB．equivalentC．counterpartD．likeness……

单项选择题A．rule offB．rule outC．rule overD．rule of

单项选择题A．afterB．beforeC．untilD．when

单项选择题A．Families with cars.B．Americans’ heavy dependence on cars.C．Roads and highways.D．Traffic problems in America.

填空题coordination

单项选择题A．call onB．call forC．call inD．call forth