Cellphonesareoneofthemostusefulinventionofthelast50year...
問題詳情:
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(輻*) 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
【回答】
41-45 CDDBC 46-50 CBBAC 51-55 BDDAC 56-60 CADBB
知識點:科普環保類
題型:完型填空
-
根據句意及首字母,寫出單詞,使句子意思完整1.Mym________birthdayisDecember13t...
問題詳情:根據句意及首字母,寫出單詞,使句子意思完整1.Mym________birthdayisDecember13th.2.Ilikep________music.3.Shew________toplaybaseball.4.Thelittleboywantssomec________.5.MissWangiso________musicteacher.6.Doyouwanttoplaywiththedogn________?7.Let'sp_...
-
2003年楚人學舟楚①人有習*舟者,其始折旋②疾徐,惟舟師之是聽。於是小試洲渚之間,所向莫不如意,遂以為盡*舟...
問題詳情:2003年楚人學舟楚①人有習*舟者,其始折旋②疾徐,惟舟師之是聽。於是小試洲渚之間,所向莫不如意,遂以為盡*舟之術。遽謝舟師,椎③鼓徑進,亟犯④大險,乃四顧膽落,墜槳失柁⑤。【註釋】①楚:古國名。②折:調頭。旋:轉彎。③椎:用椎敲。古代作戰,前進時以擊鼓為號。④亟...
-
近日我州某地成功處置了一輛滿載三*化*(PCI3)的車輛洩漏事故.三*化*是一種重要的無機鹽工業產品,無*液體...
問題詳情:近日我州某地成功處置了一輛滿載三*化*(PCI3)的車輛洩漏事故.三*化*是一種重要的無機鹽工業產品,無*液體、密度1.574g/cm3(21℃),熔點﹣112℃,沸點75.5℃,易燃.遇水反應生成亞**(H3PO3)和*化*,與有機物接觸會著火.下列對三*化*的說法錯誤的是()A.三*化*中*元素的化合價為+...
-
OnlyMotherLoveistruelove.Itgiveseverybodyeverythingallh...
問題詳情:OnlyMotherLoveistruelove.Itgiveseverybodyeverythingallh 1 life.Whenyouarestillababy,mothertakesgoodcareofyouasmuchasp 2 .Inyourw 3 hoursshealwaysholdsyouinherarms.Whenyouareill,shestopsherworkrigh...
相關文章
- LordByronisoneofthemostexcellentrepresentativesofEnglis...
- ColdblessesusallIt'sNovember,thetimeofyearwhenpeopleoft...
- 讀寫實踐Someetiquette(禮儀)inmodernlifeDoyouoftenuseacellphon...
- OneweekendinMay2015,over48centimetersofrainfellinHousto...
- Forthosewhostudythedevelopmentofintelligence(智力)inthean...
- Whenitcomestobenefitsofvolunteering,alotofpeoplethinkit...
- We’veallseenthem:perfectlytonedfamouspeopleonlate-nigh...
- Whenitcomestothebenefitofvolunteering,alotofpeoplethink...
- It'sinterestingtoseehowpeoplemakeuseofthetimetheyspendo...
- Morethannineoutof10youngpeopleexposethemselvestotheblue...