摘要:[答案]A. broken through.[注释]break through(=be successful after overcoming a difficulty)突破;取得重大成果:Scientists hope to break through soon in their fight against heart disease.(科学家希望在与心脏病斗争中很快取得重大成果.)本题译文:科学家认为他们在探索某些重要疾病的病因中已取得重大突破.

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阅读下面短文, 掌握其大意, 然后从1-25各题所给的四个选项中, 选出一个   最佳答案。

    Can you imagine what life would be 1 if there were no telephone?   You could not call 2 your friends on the phone and talk to them. If   fire 3 out in your house you could not 4 the fire department. If   somebody were 5, you could not call a 6.

       In our daily life we need to communicate with 7. We do this 8 by   speaking to other people and listening to 9 they have to say to us,   and when we are 10 to them we can do this very 11. However, our 12   will not travel very far even when we 13, and it is thanks to the 14   of the telephone that we are 15 able to communicate with 16 17 each   other as clearly 18 we were in the 19 room.

       The man who 20 this possible was Alexander Graham Bell, a Scotsman,   born in Edinburgh in 1847. Bell, a teacher of visible speech who later   moved to Canada, 21 all his spare time experimenting. 22 enthusiastic   (热情的) was he in his research 23 a means for sending 24 by   electricity that he left 25 time for his day-to-day work and at one   time was almost penniless.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
(1) A. as  B. like  C. of  D. for   [  ]   
(2) A. on  B. for  C. in  D. up    [  ]   
(3) A. broke  B. took  C. looked  D. put  [  ]   
(4) A. cry  B. shout  C. call  D. talk    [  ]   
(5) A. excited  B. tired  C. sick  D. sad  [  ]   
(6) A. teacher  B. assistantC. professorD. doctor[  ]
(7) A. you B. otherC. them   D. one another [  ]
(8) A. mostly  B. quickly   C. suddenly  D. early [  ]
(9) A. that  B. this  C. what  D. which       [  ]    
(10)  A. friendly  B. close  C. nice  D. cruel  [  ]    
(11) A. slowly  B. easily  C. certainly  D. beautiful [  ]    
(12) A. noises  B. lectures  C. feelings  D. voices[  ]    
(13)  A. speak  B. smile  C. breathe  D. shout   [  ]    
(14)  A. invention  B. discover  C. experiment  D. improvement [  ]    
(15) A. already  B. yet  C. still  D. never    [  ]    
(16) A. so  B. nor  C. but  D. and         [  ]   
(17)  A. see  B. hear  C. look at  D. listen to   [  ]   
(18)  A. as if  B. even if  C. only if  D. if only  [  ]   
(19)  A. other  B. opposite  C. same  D. did    [  ]   
(20)  A. had  B. did  C. made  D. brought       [  ]   
(21)  A. took  B. wasted  C. cost  D. spent     [  ]  
(22)  A. So  B. Very  C. Too  D. Such      [  ]
(23)  A. at  B. for  C. to  D. by          [  ]   
(24)  A. news  B. speech  C. lesson  D. notes    [  ]  
(25) A. some  B. much  C. little  D. enough    [  ]
  

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