1.Which kind of food is safer, cured food or irradiated food?
2.What is the result of the assimilation of European immigrants in the United States?
3.The United States makes it difficult for European sausages to enter its market by a set of___________________.
4.The sausages packed in the luggage, which cannot escape customs' inspections,will most probably end up being eaten by___________________.
5.The author thinks the taste of the shrink-wrapped salamis on a supermarket shelf is_______________________.