Section B
　　Passage One
　　We use all sort of services without thinking how we get them. But such services cost money. We pay for them throught taxes. What would happen if everyone in a city stop. The street might not be cleaned. There would be no police force to pro tect people and property.
　　The chief duty of every government is to protect persons and property. more than three-fourths of the money spent by our government is used for this purpose .The next largest amount of public money goes to teach and train our citizens. Billions of dollars each year are spent on schools and libraries. Public money is used to pay the teachers and other public officials.
　　Years ago the government made money from the sale of public lands. But most of the best public lands has now been sold. The money raised was used to help pay he cost of government. There are still some public lands that contain oil, coal, gas, and other natural products. They could be sold, but we want to save them for future years. So we all must pay our share for the services that make our l ives comfortable.
　　11. What's the chief duty of every government?
　　12. How did the government raise money in the past?
　　13. What is the passae mianly about?
　　Passage Two
　　When I was at school, my ambition was to be a pilot in the Air Force. But my eyesight wasn't good enought. So I had to give up the idea. I went to university and studies physics. I wanted to stay on there and do research, but my father died at about that time. So I thought I'd better get a job and earn my living. I started working in an engineering firm.
　　I expected to stay in that job for a long time. But then, they appointed a new managing director. I didn't get on with him, so I resigned and applied for a job with another engineering company. I would certainly have accepted the job if they had offered it to me, but on my way to the interview I met a friend certainly have accepted the job if they had offered it to me, but on my way to the interview I met a friend who was working for a travel agency. He offered me a job in Sp ain. And I've always liked Spain, so I took it.
　　I worked in the travel agency for two years and then they wanted to send me to South America. But I had just got married. So I decided to tay here. Then we had a baby and I wasn't earning enough to support the faily. So I started giving English lessons at a school in the evening.
　　I liked the English teachingmore than working for the travel agency, and the n the owner of the school offered me a full-time job as a teacher. So I resigned from the agency. Two years later, the owner of the school wanted to retire, so he asked me to take over as the director. And here I am.
　　14. Why did the man give up studying physics?
　　15. Why did the man resign from the engineeing firm?
　　16. Why did the man take the job at the travel agency?
　　17. Why did the man start to teach English part time?
　　Passage Three
　　Columbus sailed from Spain in September 1492, looking for gold. native Ameri cans greeted him, offering gifts of corn. Columbus found little gold on that trip, but he collected many plants, including corn, to bring back to Spain.
　　Columbus didn't know it. But the corn was much more valuable than gold. Farmers from Europe to Asia accepted it immediately. They grew it on cold mountainsides and in tropical forest. Today it feeds millions of people all over the world .
　　On his second trip, Columbus brought back a few chocalate beans to make choc alae. Europeans and Asians love this new drink, and soon they were paying a grea t deal of money for the beans. Chocalate beans became so valuable in Central ame rica that they were used as cash for 200 years.
　　Tomatoes and patatoes took some time to become popular. Eventually, however, they became the basis of a lot of popular foods. It is hard to imagine life wit hout fried potatoes or chocalate. Thanks to native American cultures, many peopl e are able to enjoy lots of tasty food.
　　18. Why is corn feeding millions of people today?
　　19. What did Columbus bring back on his second trip?
　　20. What was the result of Columbus' two trips to america?