【题目】阅读下列短文, 根据短文中的信息完成文后表格, 每空一词。
WARNING(警告): Holding a cell phone against your ear or putting it in your pocket may be bad for your health. This sentence is a warning that you’d better not put it close to you when a new phone is bought. Apple company, for example, doesn't want iPhones to come closer to you than 1.5 centimeters; Research In Motion, BlackBerry's producer, recommends 2.5 centimeters.
If cell phone use can cause health problems, the result will be very serious. Americans spend 2.26 trillion minutes chatting on cell phones every year, which brings $109 billion for the wireless businessmen.
Devra Davis, an epidemiologist(皮肤病专家)who has worked for the University of Pittsburgh, has published a book about mobile phone radiation(辐射)"Disconnect." Davis studies how often brain cancer happens during different age groups. As a result of mobile phone radiation, she finds that a big increase(增长)in brain cancer in the 20-to-29 age group and a drop for the older people.
Children are more easily hurt by radiation than grown-ups, Ms. Davis and other scientists point out. But no studies have yet been finished on cell phone radiation and children, she says.
Henry Lai, a research professor, began lab radiation studies in 1980 and found that mice exposed to(暴露在) radiofrequency(电波频率)radiation had destroyed DNA in their brains.
Ms. Davis recommends using wired earphones(有线耳机)or the phone's speaker. Children should send text messages rather than call, she said, and pregnant women should keep phones away from their bodies.
It's to your health to use cell phones | |
from different companies. | ● Apple company using cell phones at least 1.5 centimeters. |
● Motion, BlackBerry's producer 2.5 centimeters. | |
Theof research from different areas | ● Devra Davis pointed out in the book "Disconnect" that people in the 20-to-29 age are more likely to have brain cancer than older people of mobile phone radiation. |
● Henry Lai found that exposed to(暴露在) radiofrequency(电波频率) radiation had destroyed DNA in their brains. | |
Ms Davis'son how to use the cell phone safely | ●Children should send text messages of call. |
【题目】现在学生在网吧上网(get online)成风,你们班在下周班会上将谈论有关问题。请你根据表格中提示的内容用英语写一篇60词左右的讲话稿,要点必须齐全。
益处 | 1. 学会使用现代设备——电脑; 2. 学会更多知识(knowledge); 3. 玩游戏,使人更加聪明。 |
坏处 | 过于沉迷游戏,对学习有害。 网上交友,通信频繁,学习成绩下降。 |
建议 | 在学校学习时不上网。 寒暑假可以上网。 |