24. What an important role the Internet ______ in our lives!

　　 A. acts 　　B. is 　　C. keeps 　　　D. plays

23. His parents’______ was that the room should be 　cleaned up after the party.

　　 A. saying 　　B. request 　　C. word　　 D. Command

22. He ______ his conclusions on the facts that are known to everyone.

　　 A. bases 　　B. puts 　　　C. gets 　　D. goes

●第一节单项填空(共15小题；每小题1分,满分15分)

　从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。

21. The manager told us that very little ______ was made of waste materials in the past.

　　 A. cost 　　B. choice 　　　C. use 　　D. matter

55. A. worse　　　 B. better　　　 　C. younger　　 D. kinder