A problem facing all of the pizza chains is that each of their individual competitive advantages are pretty much everyone's competitive advantages. Most if not all the top pizza chains offer free delivery, and always have some sort of promotional deal offering large pizzas at reduced prices. Other competitors to take into consideration are frozen pizzas and make-it-yourself pizzas that are purchased in grocery stores. Some examples of these are Tombstone Pizzas, Boboli, and Di'Gornio pizzas.

　　1. Pizza Hut expanded its business into many parts of the country by the time of 1969.

　　2. Pizza Hut has always dominated the market and is free of challenge.

　　3. Fruits and salads are now commonly served at pizza restaurants.

　　4. The diversification strategy is to be the first mover.

　　5. In Pizza Hut, a Pan Pizza was ___________ to serve in 5 minutes.

　　6. If you want a pizza from Pizza Hut delivered directly to your house, you have to have ________ in the first place.

　　7. In order to make sure their customers were happy, Pizza Hut introduced ________________.

　　8. The higher overhead costs of Pizza Hut obviously accounted for ______________.

　　9. The reason why Domino’s withdrew their promotion was that they suffered legally from _____________.

　　10. Major pizza makers have to face the problem that their competitive advantages are _________.

　　1. Y

　　2. N

　　3. NG

　　4. N

　　5. guaranteed

　　6. Internet access

　　7. two customer satisfaction programs / a customer hotline and a customer call-back program

　　8. higher prices of their pizzas

　　9. reckless driving by their drivers

　　10. the same