C
Paper is one of the most important products ever invented by man. The invention of paper meant that more people could be educated because more books could be printed. Paper provided an important way to communicate with knowledge.
Paper was first made in China about 2,000 years ago. In Egypt and the West, paper was not very commonly used before the year 1400. Paper was not made in southern Europe until about the year 1100.After that, the forestry countries of Canada, Sweden, Norway, Finland, and the United States because the most important in paper-making. Today Finland makes the best paper in the world. And it has the biggest paper industry in the world.
When we think of paper, we think of newspapers, books, letters, envelopes, and writing paper. So paper plays important role in our lives.
Paper is very good for keeping you warm. Houses are often insulated (隔热) with paper. You perhaps seen homeless men sleep on a large number of newspapers. They are insulating themselves from the cold.In Finland, in winter it is sometimes 40 degrees below zero. The farmers wear paper boots in the snow. Nothing could be warmer.
38.What did the invention of paper mean? It meant _________.
A. more people could be educated
B. more books could be printed
C. paper is one of the most important products
D. Paper was invented by man
39. When was paper made in southern Europe?
A. Before 1100. B. After 1400. C. After 1100. D. Before 1400.
40.What"s the meaning of the sentence "Nothing could be warmer."?
A. Books are warmer.
B. Newspapers are warmer.
C. Paper is the warmest.
D. Houses are the warmest.
41. What's the main idea of the passage?
A. The invention of paper.
B. The best paper.
C. The paper-making.
D. The uses of paper.
D
(1)Teens are gaining（增加）weight. Today most teenagers are at least one size larger than teens were 20 years ago. Even clothing sizes have changed. Did you know that a small today used to be a medium, 20 years ago?
(2)A recent research shows 97％of teens need more exercise. It's bad news because too little exercise means you are missing a lot of good things in life. Exercise helps in two ways.
(3) First，exercise helps your body. Physical activity can make your body strong. It can also keep you at a healthy weight. Doctors say that people who stay at a healthy weight have fewer health problems．
(4).Second，exercise can help your mind. People who get plenty of physical activity might worry less and sleep better at night. You may even learn better in school. Students who are healthy can listen and understand better in class.
(5) You can change your' life and- be more active at any point. It's never too late. An article called“How to Limit Screen Time and Get Moving”gives these ideas：
Step away from the screen. Doctors call watching TV or playing video games screen time. You should have no more than two hours of screen time a day. You will enjoy life more if you live it instead of watching it！
Start slowly. An hour a day can seem like a long time. Start with 10 minutes of new activities every day. Add more as you get stronger. Think about walking. Take the stairs instead of the lift. You will feel healthier.
Make fitness fun. Find a sport you like. It doesn't need to be the traditional sports of basketball，soccer，or baseball. Those are all great sports and if you like them，play them. However，you can also try hiking，skateboarding，or even rope jumping. If you enjoy the sport，you will do it.
Choose food carefully. Help your family shop for healthy food. Read the labels（标签），Look for healthy foods. Eat lots of fiuits and vegetables. Stop buying soft drinks and junk foods. You will feel better if you eat right.
Exercise with others. Find a friend or family member to exercise or play with you. You will have more fun and it helps keep you responsible for going.
42. What is the main idea of Paragraph 1？
A. Teens are gaining weight.
B. Teens，one size larger.
C. Teens' clothing sizes changed．
D. A small used to be a medium.
43．Which of the following is a FACT from the passage?
A. You should have no more than two hours of screen time a day.
B. You will have more fun and it helps keep you responsible for going.
C. A recent research shows 97％of teens need more exercise.
D. However，you can also try hiking，skateboarding，or even rope jumping.
44. Where might you find this passage？
A. In a story. B．In a magazine. C．In a play. D. In a speech.
45. Which of the following shows the structure（结构）of the first 5 paragraphs？
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