Kites have a long history. They may date back(追溯到)long time ago. They were made of bamboo and silk in China. Nobody knows exactly how or when a kite was first flown, but it is said that when a Chinese farmer tied a string(绳子)to his hat to keep it from blowing away in a strong wind, the first kite was born.

Children like playing with kites. Kites for work or play are made of wood, bamboo, paper, or silk. In 478 BC, a Chinese philosopher(思想家), Mo Zi, spent three years making a kite out of light wood and bamboo. The earliest record(记录)of kite flying was in about 200 BC when the Chinese General Han Xin of Han Dynasty flew a kite over the walls of a city. He wanted to know how far his army would have to travel.

In the 13th century, Marco Polo wrote about how the shipping businessmen flew the huge kite in the wind before the ship set sail(起航). It predicted the voyage(航海)in this way. If the kite went high and starlight, it meant a quick and successful ride, but if it didn't fly well, it was a bad omen(预兆). In the late 1500s, the kite was introduced to Europe by the Italians. Kite flying was first mentioned in England in a popular book in 1589.

1.How was the first kite born?

A.It was first used for sailing.

B.A Chinese General called Han Xin flew a kite to train his army.

C.A Chinese farmer tied a string to his hat to keep it from blowing away.

2.According to the article, kites are made of the following materials EXCEPT __________.

A.silk B.paper C.steel

3.Which of the following is TRUE?

A.We know exactly how and when a kite was first flown.

B.Kite flying was first written in England in a popular book in 1589.

C.In 478 BC, Mo Zi spent three years making a kite out of light wood and paper.

4.When was the kite introduced to Europe?

A.In the 13th century. B.In the late l500s. C.In 1589.

5.Which is the best title of the passage?

A.The History of Kites. B.Materials for Kites Making. C.When to Make the First Kite.

Sometimes vaccines(疫苗) do not provide lifetime immunity(免疫). Some are only effective(有效)for a limited amount of time. In such cases, shots are necessary to maintain continuous vaccine protection. These shots are given at regular time. One vaccine, the flu (流感)vaccine, must be given every year. This is because there are many kinds of the flu.

A vaccine given in one year may provide protection against certain kinds of the flu virus, but when the next year’s flu season starts, vaccination against newer or different kinds may be required. Furthermore, flu vaccines do not provide protection for a lifetime. After as little as one year, protection may be far less than enough.

1.According to the passage, if you have a flu vaccine, you will be protected from flu _____________.

A.for a year B.for every year C.in the whole life D.for two years

2.The reason why one needs to have vaccine for flu every year is that____________.

A.flu cannot be cured B.flu can never die

C.flu would change every year D.flu never change

3.When the flu season starts, new_______ are needed.

A.patients B.viruses C.doctors D.vaccines

4.According to the passage, which of the following sentence is TRUE?

A.One must have flu vaccine. or he will die. B.Flu vaccines cannot protect a person for the whole life.

C.Vaccines never really protect people. D.Children should not be given vaccines.

5.What is the best title of the passage?

A.A Vaccine. Lifetime Immunity. B.Vaccine Can Protect You

C.How to Deal with Flu? D.Vaccine Helps, but Not Lifetime Immunity

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