AlexanderGrahamBellwasbornin1847inScotland,butwhenhewas...

問題詳情：

Alexander Graham Bell was born in 1847 in Scotland, but when he was young , he always took care of his almost    61    (entire) deaf mother and he become    62   (interest) in helping deaf people,

  63  led him to invent the microphone. He was   64   (curiosity) about things in his daily life. One day, when he did an experiment about telegraph, he came up with an idea   65   if sound waves could be reproduced in a moving electrical current, they could be sent along a wire. In searching to improve the telegraph, Bell invented the first telephone. Owing  66   his efforts, the telephone   67   (bring) us so much convenience since it was invented. Besides those inventions, Bell experimented with helicopter designs and flying machines, and he made great     68     (contribute) to  the design of bridges. Although he is most often     69     (associate) with the invention of the telephone, he was indeed a continuing searcher after     70     ( practice )solutions to improve the quality of everybody's life.

【回答】

61．entirely  62．interested  63．which  64．curious  65．that  66．to

67．has brought/has been bringing  68．contributions  69．associated  70．practical 

知識點：語法填空

題型：未分類