高老师2年前 (2024-03-27)英语阅读（二）(00596)11

How have the states carried out the Federal auto-fume regulations?

A.All the states have taken these regulations seriously.

B.Very few states have regularly inspected the fume control equipment.

C.Some states have maintained the fume control equipment on a weekly basis.

D.Most states have contributed to the inspection ofthe fume control equipment.

正确答案是B