3. Which of the following is TRUE according to the text?

　　A. Home cooking is better than the food of every restaurant.

　　B. A potluck is a dinner or supper where everyone takes a dish.

　　C. For most informal dinners in the United States, you should dress well.

　　D. During the dinner, the biggest compliment is to heap praise on the host.

　　4. According to American culture, a guest can get past the living room only _______

　　A. after cleaning the table or washing the dish

　　B. after having desert with tea or coffee

　　C. at a party to celebrate the removal to a new home

　　D. after an hour of general chit-chat

　　5. We can infer from the passage that ________

　　A. Americans are hospitable

　　B. Americans like presents

　　C. Americans like their guests to stay long

　　D. most Americans are not hospitable

　　DABCA