【正文】 can do activities suddenly. D． It can injure people seriously. do flash mobs inform one another? ①By using the Inter. ②By writing letters. ③By yelling. ④By waving hands . ⑤By using mobile phones. ⑥By holding a meeting. A． ③④ B． ①⑤ C． ②⑥ D． ⑤⑥ did Bill Wasik create the flash mob? A． To advertise some products. B． To help people make friends. C． To laugh at fashion seekers. D． To create some memories. can we learn about the flash mob from the passage? A． Bill Wasik anized the first successful flash mob in May, 2021. B． People are encouraged to take a more active part in an activity. C． Flash mobs tend to do something illegal for a short time. D． Flash mob gathering can frighten all the people present. C Americans get some of their news and entertainment from public television and radio. These public media receive money to operate from private citizens, anizations and government. Many of their programs are educational. But most of the American media are run by businesses for profit. These privately owned media have changed greatly in recent years. Newspapers, magazines and traditional broadcast television anizations have lost some of their popularity. At the same time, online, cable and satellite media have increased in numbers and strength. So have media that serve racial groups and those municating in foreign languages. In general, more media than ever now provide Americans with news and entertainment. At the same time, fewer owners control them. Huge panies have many holdings(股份 ). In some areas, one pany controls much of the media. One dramatic change in American media is the increased success of cable television. It es into most homes over wires. It does not use the public airwaves to present programs, as broadcast television does. Like broadcast television, most cable television programs perform advertisements. This is true although people must pay to see cable television in their homes. Thirty years ago, few people had cable. Today, about sixtyeight percent of American homes have cable television. Television by satellite also is gaining popularity. Over the years, traditional broadcast anizations have tried to appeal to as many watchers as possible. Many cable panies, however, present programs for one special group of viewers. For example, there are cable stations for people who like books, cooking, travel, golf or edy. of the following is true about American public media? A. They depend on the government. B. They are controlled by the government C. They are free D. They can earn money. 30. Which of the following properly shows the change in these privately owned media? A. Newspapers are getting more popular. B. Satellite media is getting more popular. C. Traditional media also serve racial groups. D. Some media make their programs in foreign languages 31. From the second paragraph, we learn that . A. broadcast TV and cable TV programs include sales messages B. more media are out of control C. American media is dramatic D. cable TV is free 32. What would be the best title for the text? A. American news and entertainment B. Public television and radio media C. media in the United States D. Cable programs in the United States D Have you ever been out on a boat and felt it lifted up by a wave? Or have you jumped in the water and felt the rush of energy as waves came over you.? asked Jamie Taylor of the Wave Energy Group at the University of Edinburgh. There is certainly a lot of energy in waves, he said. Scientists are working to use that energy to make electricity. Most waves are created when winds blow across the ocean. The wind starts out by making little ripples (漣漪 ), but if they keep on blowing, those ripples get bigger and bigger and turn into waves, Taylor said. Waves are one of nature39。 6. What are they talking about? A. The man’ s job. B. The man’ s interview. C. The man’ s experience. 7. What does the man mean? A. He never tells a lie. was telling the truth. had to tell a lie. 聽第 7段材料，回答第 8— 9小題。 8. What is the woman going to do? A. Just hang out. B. Buy some clothes. C. Go to a movie. 9. What does the woman want the man to do? A. Get her a snack. B. Try on the clothes. C. Help her make decisions. 聽第 8段材料，回答第 10— 12小題 。s ways of picking up energy and then sending it off on a journey. When waves e toward the