Do you know when and where ice cream got its start? It's an international favorite with a long and interesting history

The earliest ices were eaten in China many years ago. The people would put orange juice on ice .Later, this idea traveled to Italy. Nero, the emperor of Rome between 37 and 68 A.D, liked to eat ices as a special treat between violin lessons. He ordered runners to run to the mountains, get snow and quickly run back to the palace; The snow was mixed with fruit juices and nuts.

Around 1660,Coffee shops serving ice cream were very popular in Paris. Most of the coffee shops were owned by Italians. The first successful one was opened by a man from Sicily named Francesco Procopio.

Ice cream was probably brought to America in the early 1700's, and quickly became the favorite of American presidents. George Washington had ice cream pots and machines in his kitchen. Dolly Madison the wife of President Madison, was the first person to actually serve it in the White House. She made her guests very  happy when she served her favorite dessert.

Before ice cream was sold in stores, it was made and frozen at home. it took a lot of work to mix cream，eggs，fruit，and salt, and then to freeze it. Nancy Johnson, an American woman who was good with machines, invented the hand-turned ice cream freezer in 1846. Five years later, Jacob Fluse opened the first ice cream business, in Baltimore, Maryland His business quickly spread to other states. Today in the United States,  ice cream is not only a food , it is away of life.

1.What's the passage about? (No more than 10 words)

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2.From which country did ice cream begin to travel in the world? (No more than l word)

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3.What does the underlined word "it" refer to in paragraph 4? (No more than 3 words)

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4.Who was the first person to serve the ice cream in White House'? (No more than 5 words)

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5.According to the passage ,what made ice cream so popular in the USA? Please list two reasons．

根据短文的内容，用适当的词语填空，首字母已给出。

　　In 1846 an Irish immigrant in New York named Alexander Stewart opened a business called the Marble Dry-Goods Palaces． By doing so, he gave the world something completely new－the department store． Before this , no one (1)h ________tried to bring together such a wide range of goods (2)u ________a single roof． The business did very (3)w ________． It expanded rapidly and soon had a staff of two thousand． For Stewart even that was not enough , (4)h________． In 1862 he moved to an eight-storey (5)b ________nearby, (6)w________ he renamed A．T． Stewart's Cast-Iron Palace． It was , (7)a________ for many years would remain , the largest shop in the world．

　　Others followed Stewart’s examples and soon there were stores (8)l________ his in many major cities in the United States． We don’t (9)k________ when people started calling them department stores． The expression wasn't used in print (10)u________ 1893 , when it appeared in Harper’s magazine, but the way that it was used there (11)m________ it clear that it was already widely understood．

　　(12)W________ is certain is that department stores completely changed the shopping experience for millions of people． They offered not only an enormous range of goods , (13)b________also levels of comfort, luxury and excitement previously unknown to customers． Almost from the start they had restaurants , toilets and many (14)o________ facilities , so (15)t________ was no need to go elsewhere for anything．