Ballpoint pens have made life easier for millions of people. At one time 1 did not like their students to 2 with pen. Perhaps it was because pens can leak(漏) and it is 3 to spill(溢出) the ink. And it is hard to write on thin or cheap paper with them.

　　Ladislao Biro 4 for a newspaper in Budapest. He spent all day 5 his desk. Day in and day out, he corrected 6 of thin, cheap paper with a pen and ink. He often had to stop to 7 his pen and it did not write 8 on the thin paper. He and his brother George 9 some experiments. They wanted a pen that did not leak, with ink that did not spill. Why not 10 a little ball at the end?

　　Two Englishmen, Henry Martin and Frederick Miles, like the 11 .It was the 12 of the Second World War. The Air Force 13 a non-leak, non-spill pen for the men to write with in 14 . Martin and Miles made and 15 many thousands of Biro “writing-sticks” to the Air Force.

　　1. A. factories B. schools C. shops D. restaurants

　　2. A. play B. write C. come D. meet

　　3. A. easy B. hard C. free D. popular

　　4. A. left B. waited C. looked D. worked

　　5. A. on B. near C. at D. in

　　6. A. mistake B. books C. pages D. diaries

　　7. A. mend B. fill C. brush D. change

　　8. A. well B. down C. out D. up

　　9. A. kept B. finished C. began D. studied

　　10.A. find B. wear C . grow D. use

　　11.A. matter B. result C. meaning D. idea

　　12.A. day B. time C. break D. year

　　13.A. bought B. took C. needed D. preferred

　　14.A. planes B. ships C. trains D. buses

　　15.A. sold B. lent C. moved D. passed

　　名师点评

　　这是一篇关于圆珠笔怎样发明使用的文章。由于钢笔易漏水给工作带来了许多不方便，通读此文，你就会明白圆珠笔在什么情况下发明推广使用。结合圆珠笔使用的方便和有关历史知识，能顺利完成短文。