任务型阅读(共10小题:每小题0.5分，满分5分)
阅读短文，根据短文内容补全表格中所缺的信息。（每空一词）
WARNING: 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. She finds 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, the     distance is 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 radiation. ● Ms. Davis and other scientists studied that Children are     to be hurt by radiation than adults.
● Henry Lai found that______ exposed to(暴露在) radiofrequency（电波频率） radiation had destroyed DNA in their brains.
Ms Davis’s    on how to use the cell phone safely	● It’s     for children to send text messages than to make a phone call. Pregnant women should keep phones away from their bodies.

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