解析：此题考查过去分词作定语的用法。advised "建议", attended "出席, 照料", attempted "试图, 尝试", admitted "承认, 接收"。本句意为"一个男人正被询问有关昨晚试图进行的谋杀案"。

　　5.答案：C

　　解析：此题考查动词seat的用法。seat作动词时常与反身代词连用或以过去分词形式出现。

　　Step 3 Learning about Words and Expressions

　　T: As we all know, a lot of scientists made a lot of discoveries and inventions. Who put forward a theory about black holes?

　　Ss: Stephen Hawking.

　　T: What does "put forward" mean?

　　Ss: It means propose or suggest something for discussion.

　　T: Let's translate some sentences.

　　1.他对养狗提出了一个新的观点。

　　2.我们提议周末去郊游.

　　Suggested answers:

　　He put forward a new idea about raising dogs.

　　We put forward a suggestion that we go outing at the weekend.

　　T: Let me help you to go over some "put" phrases: 

　　1)put sth. aside把某物放到一边; 储存（钱）以便他日之需

　　She put the newspaper aside and picked up a book.

　　她把报纸放下, 拿起了一本书。

　　She has put aside a large sum of money for her retirement.

　　她存了一笔相当可观的钱以便退休之用。

　　2）put sth. back把某物放回原处

　　Please put the dictionary back on the shelf when you've finished with it.

　　词典用完后请放回书架上。

　　3）put off 推迟, 取消

　　This afternoon's meeting will have to be put off.

　　今天下午的会议得延期。

　　4) put on 穿上

　　What dress shall I put on for the party?

　　我穿什么衣服去参加聚会呢？

　　5) put up with 容忍, 忍受

　　I don't know how she puts up with him.

　　我不明白她怎么能容忍他。

　　T: Now, let's come to the phrase "know about", which means "have knowledge about something "or" be aware of something". Can you make some sentences about it?

　　Ss: Not much is known about his background.

　　他的背景不太为人了解。

　　He asked me about the new book. I happened to know about it

　　他向我问起那本新书, 正巧我了解它的一些情况。

T: Quite good. And how to say"证明"？