【简答题】 dialogues based on the following situation. The guest has booked a single room for September 12th to 16th. But he has to cancel the reservation for an important meeting. The reservationist answ...
【简答题】Agriculture is not as important to the Canadian economy as it was in the 19th century, but it continues to be the mainstay on several regions and is a significant source of export income.
【简答题】Plastic is one of the most important technological discoveries of the 20th century.However,it may soon be replaced.The new development—liquid wood—can replace plastics in all branches of modern indust...