第一节 完形填空(共10小题；每小题2分，满分20分)
阅读下面短文，掌握其大意，然后从21—30各题所给的A、B、C和D项中，选出最佳选项，并在答题卡上将该项涂黑。
A sudden large increase in interest in reading among children is preventing them from suffering accidents, British researchers say.
The  21  looked at the number of children attending casualty John Radcliffe Hospital in Oxford on weekends of Saturday, 21 June, 2003 and Saturday, 16 July this year – the   22   dates of the two most recent Harry Potter books, The Order of the Phoenix and The Half-Blood Prince.
They found that only 36 and 37 kids respectively needed treatment   23  with an average of 67 children on "normal" weekends.
The doctors said while   24   did keep children away from dangerous games, it could lead to a    25   in obesity.
The authors of the study suggested that   26  more book reading might be a   27  way to combat childhood accidents.
"It may be hypothesized (假设）that there is a place for a committee of safety conscious, and talented writers who could produce high quality books for the   28  of injury prevention," they wrote in the British Medical Journal.
However they acknowledged there could be a downside to a strategy that seeks to turn
29  children into bookworms.
30  problems could include "an unpredictable increase in childhood obesity, ( 肥胖症 )，rickets （软骨病）and loss of cardiovascular fitness ( 心血管病 ).
21. A. researchers           B. writers                     C. parents              D. doctors
22. A. open                 B. launch              C. show               D. publish
23. A. dealt                 B. interfere            C. compared           D. meet
24. A. reading               B. fighting             C. playing              D. seeing
25. A. high                 B. growth             C. behavior             D. condition
26. A. increasing            B. improving           C. urging              D. encouraging
27. A. useful                B. careful              C. delightful            D. thoughtful
28. A. object                B. purpose             C. principle             D. attention
29. A. beautiful              B. small               C. honest              D. active
30. A. Likely                B. Forgetful            C. Potential             D. Suitable