考点跟踪突破44 阅读理解(一)
(一)(2014，北京)
Billy's favourite colour is orange.But he can't see what orange looks like.Billy is blind.
A month after he was born，his mother noticed that his eyes weren't quite as big as a normal baby's.“Billy would never be able to see.” the doctor told his mother.After that Billy's mother began talking to him，describing things she saw outside the window.She described everything to him.
Billy does not only depend on his mother's descriptions to learn about the world around him.He sees with his ears and his hands，too.He has perfect hearing.When people make phone calls，he can tell the numbers they dial (拨)．
