C. They are spoken or written sounds.

　　D. rrhey are soundless signs.

　　(      )39. A great writer is one who

　　A. has great thoughts

　　B. is good at deeply, impressing us with the power of correct words

　　C. is careful in choosing correct urords

　　D. both A and B

B

　　0. Henry was a pen name used by an Amerian writer of short stories.  His real name was Wil-liam Sidney Porter. He was bom in North Carolina in 1862. As a young boy he lived an exciting life.  He did not go to school for very long, but he managed to teach himself everything he needed to know. When he was about 20 years old,0. Henry went to Texas, where he tried different jobs. He first worked on a newspaper, and then had a job in a bank. When some money went missing from the bank, O. Henry was believed to have stolen it.  Because of that, he was sent to prison.  During

　　the three years in prison, he leamed to write short stories.  After he got out of prison, he went. To New York and continued writing. He wrote mostly about New York and the life of the poor there.People liked his stories, because. simple as the tales were.  they would finish with a sudden change at the end, to the readers' surprise.

　　(      )40. People enjoyed reading O. Henry's stories because            .'

　　A. they were easy to understand

　　B. they showed his love for the poor

　　C. they had surprise endings

　　D. they were about New York City

　　(      )41. 0. Henry went to prison because          .

　　A. People thought he had taken money that was not his

　　B. People thought he had stolen money from the newspaper

　　C. he broke the law by not using his own name

　　D. he wanted to write stories about prisoners

　　(      )42. What do we know about O. Henry before he began writing?

　　A. He was very good at leaming.

　　B. He was not serious about his work.                                                           .

　　C. He was well-educated.

　　D. He was devoted to the poor.

　　(       )43. Where did 0. Henry get most material for his short stories?

　　A. His life inside the prison.

　　B. The newspaper articles he wrote

　　C. The city and people of New York

　　D. His excting early life as a boy

C

　　If you are writing or studying, it makes very much difference where the light comes from.  Peo- ple who use books and pens every day have to be especially careful about the way the light shines on their work.

　　Every house gets its light either from daylight through the windows-which is the very best to use-or from lamps or electricity; but whichever kind of light it is, the way it shines toward our book or work is a matter of great importance to the eyes.

　　Take a book, sit with your back toward the window, and try to read.  Your shadow (影子) falls all over the page and makes it almost as bad for your eyes as if you were in a dark room.

　　Now tum around and face the window.  The page is in the shadow again, while the bright light is in your eyes.

　　Try sitting with you right side toward the window.  This is very well for reading, but if you were writing, the shadow of your hand would fall across the page and bother ( 打搅) you a little.

　　There is just one other way: sit with your left side to the window.  Now everything is perfect for reacling and for writing, too.

　　What.ever kind of light is in t.he room, the rule about the right to sit is always the same.

　　(     )44. You shouldn't sit with your back towards the window because

　　A. the light is too dark

　　B. the light is bad for your eyes

　　C. you are in a dark room

　　D. your book is in your shadow

　　(     )45. When you sit with your face towards the window

　　A. your shadow falls on your book

　　B. your book is in a shadow

　　C. the light is still dark

　　D.  the light is on your page

　　(      )46.  The best way both for reading and for writing is to