Cell phones are one of the most useful invention of the last 50 years, but not everything that is said about them is ____41____. The phones are ____42____ blamed for a number of things, from thumb injuries and headaches to house fires. One theory even blames cell phones for the ____43___ of bees!
The theory is that the bees’ navigation systems are ____44____ by the radiation（辐射） that is given off by cell phones. Bees have a ____45____ system a little like a GPS, and this helps them ____46___ their way back to their hives (where bees live). But recently, thousands of bees have ___47____ to find their way home. It is believed that they are ____48____ far from their hives.
The ____49____ was first noticed by beekeepers in the U.S. and is a lot more ___50____ than it seems at first. Did you know that most of the world’s crops are pollinated (授粉) by bees? Without bees, the crops can’t continue to ___51____. Many beekeepers in the U.S. and Europe have reported ____52____ between 50 and 70 percent of their bees. Rick Smith, a beekeeper in Arizona, says that bees are dying in numbers that “we haven’t seen ___53____”. At one time Smith had 8,500 hives. Now the number has been ____54___ to 1,280.
Nobody has proven that the cell phone theory is true, but it’s a ___55____ that bees are disappearing in very large numbers. And we can’t ____56____ without them. Einstein said that ___57____ all our bees disappeared, man would only live for four more years! The ___58____ needs to be evaluated by the world’s best scientists. If the cell phone theory is ____59___, we need to do something about it ___60____, before it’s too late.
41. A. clear B. false C. good D. strange
42. A. hardly B. mainly C. completely D. frequently
43. A. movement B. health C. protection D. disappearance
44. A. guided B. damaged C. shaped D. powered
45. A. weak B. different C. built-in D. slowly-moving
46. A. design B. follow C. find D. choose
47. A. started B. failed C. continued D. refused
48. A. eating B. dying C. flying D. dancing
49. A. problem B. mistake C. question D. difficulty
50. A. actual B. basic C. serious D. important
51. A. struggle B. grow C. harvest D. change
52. A. killing B. catching C. raising D. losing
53. A. by the time B. up till now C. from then on D. in the past
54. A. reduced B. divided C. increased D. reached
55. A. view B. case C. fact D. dream
56. A. work B. stop C. manage D. compete
57. A. if B. though C. because D. unless
58. A. invention B. plan C. action D. situation
59. A. possible B. correct C. legal D. new
60. A. privately B. immediately C. patiently D. secretly
41-45 CDDBC 46-50 CBBAC 51-55 BDDAC 56-60 CADBB
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