2 . People often remember what they were doing when they     1     (hear) the news of important events in history. In America,     2     example, many people remember what they were doing on April 4, 1968. This was     3     important event in American history. On this day, Dr. Martin Luther King was     4     (kill). Although some people may not remember who killed him, they remember what they were doing when they heard the news.

Robert Allen is now over 50, but he was a school pupil at that time. “I was at home with my parents,” Robert remembers. “We were eating dinner in the kitchen when we heard the news on the radio. The news reporter said, ‘Dr. King died just 10 minutes ago.’ My parents were     5     (compete) shocked! My parents did not talk after that, and we finished the rest of our dinner in silence.”

More recently, most Americans remember what they were doing when the World Trade Center in New York was taken down by     6     (terrorist). Even the date — September 11, 2001 — has     7     (mean) to most Americans.

This was a day Kate Smith will never forget. She remembers     8     (work) in her office near the two towers. “My friend shouted that a plane just hit the World Trade Center! I didn’t believe him at first, but then I looked out of the window and realized that it     9     (be) true. I was so     10     (scare) that I could hardly think clearly after that.”

4 . How did people count things before the i    1     of written numbers?

At first, people used their fingers, and even their toes. H    2    , they could only count small numbers in this way.

After that, they began to make small marks on sticks and bones. This helped them count bigger numbers. They used them to count things like the days of the month, the a    3     of food and the number of animals they had.

Then people began to use tokens made from clay or small stones. This helped them count even bigger numbers. They often put the tokens on pieces of string so that they could c    4     them around easily. This developed into tools like the abacus.

Finally, people began to develop systems of written marks to show different numbers, and this l    5     to the Hindu-Arabic system (0-9). We are still using this system today.

5 . Over 25 thousand years ago people from northern Asia went to America, Today, we call these people Indians.

The Indians went to America because the weather began to c    1     . Northern Asia became so c    2     that everything was turned into ice. They had to m    3    , or they would all die. How did the first Indians go to America? They w    4    !

Later Columbus found the New World in 1492 and he was k    5     for the discovery. At first o    6     a few people followed him. They t    7     to America in boats. For the next three hundred years, about 500,000 people went there. Then the number grew very q    8    . From 1815 to 1915, over thirty-two million Europeans l    9     their countries and went to the United States. The biggest groups were from Germany and Italy, These Europeans spoke many different languages. Most of them almost had no money. They went to America so that they could find a b    10     place to live in.

6 . 根据短文内容，用括号内所给动词的适当形式填空，必要时可加助动词或情态动词。

The chocolate was     1     (enjoy) by people first in Central and South America hundreds of years ago. In those days, the cocoa bean（可可豆）was used to make a chocolate drink. Much later, it     2     (bring) to Europe. In 1824, Mr. Cadbury opened a small shop in the United Kingdom. He sold chocolate drink. In 1831, he opened a factory to make chocolate drink. Mr. Cadbury believed that wine was bad and he wanted     3     (encourage) people to drink chocolate instead. A few years later, a man     4     (invent) a way to make chocolate bars（块）, and so people had the chance to eat chocolate instead of only drinking it.

At first only dark chocolate was made. Milk chocolate came later and it was made by     5     (add) milk to the chocolate. Mr. Cadbury made their first milk chocolate bar in 1897. Their most famous chocolate, Cadbury Milk Bar, was made in 1905. It     6     (be) popular for over 100 years. The Cadbury factory still     7     (make) chocolate in the United Kingdom, and the chocolate is eaten all over the world. Every year, thousands of visitors go to the factory to see how chocolate is made.

7 . 根据短文的内容及首字母提示写出文中所缺单词。

Researches show that the fork was first used in Ancient Egypt, China and Greece. And then it t    1     to the Middle East and started being used by the upper class. This enabled the fork to slowly become p    2     in these areas. In the 11th century, the fork came to Italy in the dowry (嫁妆) of a princess from the Middle East. After seeing the princess use the fork, the church felt a    3    , they strongly criticized(批判) her, saying that the fork disrespected the practice of using the fingers. Then the fork disappeared from the table for nearly 300 years. N    4     dared to use it.

The fork began to get acceptance in Italy by the late 16th century, because the upper-class Italians had great i    5     in cleanliness again. They think it’s helpful to health. However, most European countries accepted the fork only by the 18th century and United States didn’t welcome it until the early 19th century.

8 .              

The Silk Road is a historically important international trade route (路线) between China and the Mediterranean (地中海). It began     1     (在……期间) the Western Han Dynasty and has been a b    2     between East and West for over 2,000 years.

            The ancient road started from Chang’an (now Xi’an) and ended in Eastern     3    , near today’s Turkey and the Mediterranean Sea. It was about 6,500 kilometers long and went across one-fourth of the planet.
          The Silk Road got its name b    4     Chinese silk used to be carried along this road. Silk, jade, ceramics and iron w    5     west to Rome. And from the west came glass, gems and food like carrots and sesame.
          The Silk Road was very important to both China and the rest of the world. It was     6     than an ancient international trade route. Besides trade,     7     about arts, science and literature, as well as crafts (工艺) and technologies was     8     (分享) across the Silk Road. In this way, languages and cultures     9     (发展) and influenced each other.
          Today, along the Silk Road there’re many places of     10    , such as the Terracotta Warriors in Xi’an and Mogao Grottoes in Dunhuang. Now a new train line runs from Beijing across the Silk Road.

9 . 根据短文的内容及首字母提示写出文中所缺单词。

Thousands of years ago, people had to hunt for food. They lived in caves and needed fire to keep w    1    . Some of them drew pictures on the walls of their caves.

Actually we don’t know why they drew the pictures. Maybe they drew the pictures to bring good l    2     to get more food when hunting. Or maybe the spears(长矛) in the pictures mean they were teaching other people to hunt.

For paint, they m    3     animal fat with some different things such as dirt or berries, a kind of fruit. Some of the drawings are colorful.

These people drew what they saw a    4     them mostly animals such as buffaloes, deer, horses, birds and fish. They drew people, too, but not very o    5    .