Holding a cell phone against your ear or stalling it in your pocket may be hazardous to your health.
This paraphrases a warning that cell phone; manufacturers include in the small print that is often tossed aside when a new phone is purchased.Apple, for example, doesn’t want iP hones to come closer to you than 1.5 centimeters; Research In Motion, Blackberry’s manufacturer, recommends 2.5 centimeters.
If health issues arise from cell phone use, the implications are huge.Voice calls - Americans chat on cell phones 2.26 trillion minutes annually - generate $109 billion for the wireless carriers.
Devra Davis, an epidemiologist who has worked for the University of Pittsburgh, has published a book about cell phone radiation, "Disconnect." The book surveys scientific research and concludes the question is not settled.
  Brain cancer is a concern that Ms. Davis examines. Over all, there has not been an increase in its incidence since cell phones arrived. But the average masks an increase in brain cancer in the 20-to-29 age group and a drop for the older population.
  "Most cancers have multiple causes," she says, but she points to laboratory research that suggests low-energy radiation could damage cells that could possibly lead to cancer.
  Children are more vulnerable to radiation than adults, Ms. Davis and other scientists point out. Radiation that penetrates only five centimeters into the brain of an adult will reach much deeper into the brains of children because their skulls are thinner and their brains contain more absorptive fluid. No studies have yet been completed on cell phone radiation and children, she says.
  Henry Lai, a research professor in the bioengineering department at the University of Washington, began laboratory radiation studies in 1980 and found that rats exposed to radiofrequency radiation had damaged DNA in their brains.
  Ms. Davis recommends using wired headsets or the phone’s speaker. Children should text rather than call, she said, and pregnant women should keep phones away from the abdomen.
【小题1】We can infer from the passage that________.

A.Cell phone may do harm to our health if we hold it against our ear or store in our pocket
B.Devra Davis thinks that there are many factors contributing to cancer.
C.The increase in brain cancer in the young adults may have something to do with cell phone
D.Children are more likely to be affected by radiation
【小题2】According to the passage, how could children avoid being hurt by cell phone radiation?
A.They can keep cell phones away from the abdomen.
B.They can send short massage instead of making phone calls directly.
C.They can pay more attention to the small print on the phone.
D.They should use more advanced cell phones.
【小题3】From this passage we can learn that.________.
A.American cell phone manufacturers did not give any warning to their customers
B.American cell phone manufacturers benefit greatly from their products
C.Scientists have found the connection between brain cancer and ceil phone
D.Cell phone should be banned because of the increase in brain cancer
【小题4】In which column can we most probably read this passage?
A.Advanced technology.B.Entertainment.
C.Science and life.D.Celebrity.

第二节:完形填空(共20小题;每小题1.5分,满分30分)

Learning values and character at home is as important as any schoolwork. We all hope that the very values  36  are important to each of us are 37  along to our children. Often,  38 , that hope is challenged by a great many of pop culture messages, peer pressure (同伴压力), and overscheduled lives.

In the real world of jobs and career, people are 39  by two standards: Their professional skills and their  40  abilities.  41  grade school, high school, and college can teach skills and proficiency, it’s  42  parents to teach children the characters that make for 43  in the real world—a cooperative attitude,  44 , optimism and honesty. So take the work  45 . Send your kids into the world ready to  46  not only the tasks of life but its difficulties with character.

You really can’t start soon enough.  47 , children need personal integrity (个人操守) and morals as much as any adult.  48  the 5 to 10 most important messages you want your children to truly understand. Then think through  49  to teach these lessons. Talking to your kids should be only  50  of the plan. Letting them  51  honesty in action—through your own behaviour, by 52  films about great people together, or even by visiting a courtroom—is the  53  way to pass the message.

By identifying the specific  54  you would like to see in your children, you’re more likely to  55   those characters. So make a point of it.

36. A. which                B. that               C. who             D.  /

37. A. handed                 B. given                C. belonged         D. passed

38. A. therefore              B. however            C. thus            D. besides

39. A. chosen                     B. divided            C. selected        D. judged

40. A. personal               B. outstanding         C. collective         D. genetic

41. A. While                B. When               C. Until           D. Unless

42. A. for                       B. to                C. on to           D. up to 

43. A. work                      B. success             C. grow           D. maturity

44. A. depression            B. encouragement       C. creativity       D. desertion

45. A. quickly                    B. eventually           C. seriously      D. obviously

46. A. face                      B. achieve              C. make              D. handle

47. A. First of all           B. After all             C. In all               D. All in all

48. A. Work out            B. Go over             C. Write down     D. Get through

49. A. how                  B. what               C. where         D. why

50. A. root                B. base                C. all            D. part

51. A. witness              B. stare                  C. gaze         D. scan

52. A. reading                    B. scanning            C. watching     D. examining

53. A. easiest                     B. strongest            C. cruelest        D. simplest

54. A. problems            B. manners            C. wonders       D. characters

55. A. strengthen           B. forget              C. remind            D. tear

 

Holding a cell phone against your ear or stalling it in your pocket may be hazardous to your health.

         This paraphrases a warning that cell phone; manufacturers include in the small print that is often tossed aside when a new phone is purchased.Apple, for example, doesn't want iP hones to come closer to you than 1.5 centimeters; Research In Motion, Blackberry's manufacturer, recommends 2.5 centimeters.

         If health issues arise from cell phone use, the implications are huge.Voice calls - Americans chat on cell phones 2.26 trillion minutes annually - generate $109 billion for the wireless carriers.

         Devra Davis, an epidemiologist who has worked for the University of Pittsburgh, has published a book about cell phone radiation, "Disconnect." The book surveys scientific research and concludes the question is not settled.

  Brain cancer is a concern that Ms. Davis examines. Over all, there has not been an increase in its incidence since cell phones arrived. But the average masks an increase in brain cancer in the 20-to-29 age group and a drop for the older population.

  "Most cancers have multiple causes," she says, but she points to laboratory research that suggests low-energy radiation could damage cells that could possibly lead to cancer.

  Children are more vulnerable to radiation than adults, Ms. Davis and other scientists point out. Radiation that penetrates only five centimeters into the brain of an adult will reach much deeper into the brains of children because their skulls are thinner and their brains contain more absorptive fluid. No studies have yet been completed on cell phone radiation and children, she says.

  Henry Lai, a research professor in the bioengineering department at the University of Washington, began laboratory radiation studies in 1980 and found that rats exposed to radiofrequency radiation had damaged DNA in their brains.

  Ms. Davis recommends using wired headsets or the phone's speaker. Children should text rather than call, she said, and pregnant women should keep phones away from the abdomen.

1.We can infer from the passage that________.

         A.Cell phone may do harm to our health if we hold it against our ear or store in our pocket

         B.Devra Davis thinks that there are many factors contributing to cancer.

         C.The increase in brain cancer in the young adults may have something to do with cell phone

         D.Children are more likely to be affected by radiation

2.According to the passage, how could children avoid being hurt by cell phone radiation?

         A.They can keep cell phones away from the abdomen.

         B.They can send short massage instead of making phone calls directly.

         C.They can pay more attention to the small print on the phone.

         D.They should use more advanced cell phones.

3.From this passage we can learn that.________.

         A.American cell phone manufacturers did not give any warning to their customers

         B.American cell phone manufacturers benefit greatly from their products

         C.Scientists have found the connection between brain cancer and ceil phone

         D.Cell phone should be banned because of the increase in brain cancer

4.In which column can we most probably read this passage?

         A.Advanced technology.         B.Entertainment.

         C.Science and life.               D.Celebrity.

 

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网