1 . 词性转换
1. puzzle n．谜；智力游戏；疑问 vt.迷惑；使困惑→________ adj.令人困惑的→________adj.感到困惑的
2. defence n．防御；保卫→________ v．防御；保卫→________adj.防御的；保护的
3. legal adj.法律的；合法的→________adj.不合法的
4. surround vt.围绕；包围→________ adj.周围的→________ n．周围的环境
5. evidence n．证据；证明→________adj.明显的
6. achievement n．成就；成绩；达到→________ vt.达到；实现
7. location n．地方；地点；位置→________vt.位于；找……的位置
8. fascinating adj.极有吸引力的；迷人的→________ v．使……入迷，迷住→________adj.着迷的
9. announce vt.宣布；通知；声称→________ n．宣布；通知→________ n．广播员；解说员
10. poet n．诗人→________n．诗歌→________n．诗歌(总称)
11. striking adj.引人注目的；显著的→________vt.打击；攻击；打动 n．罢工
12. crowd n．人群；一群人；民众 vt.挤满；使……拥挤→________adj.拥挤的

2 . The classmates are ________about this _______problem.

A．puzzling, puzzled	B．puzzled,   puzzlement
C．puzzling, puzzlement	D．puzzled,   puzzling

3 . The problem is so ______ that I’m ______ about it.

A．puzzling; puzzling	B．puzzling; puzzled
C．puzzled; puzzled	D．puzzled; puzzling

4 . The problem is quite ________ (puzzle).(所给词的适当形式填空)

5 . Some sentences of this passage are rather p______(困惑的). (根据中英文单词拼写)

6 . To explain the_____________(迷惑的) findings, he offered two theories. (根据汉语提示单词拼写)

7 . The last week in the senior high school was a little ________(令人困惑的). （根据汉语提示单词拼写）

8 . The instructions on the box are very ___________ (令人困惑的). I have to contact the seller on JD.com. (根据汉语提示单词拼写)

9 . The instructions are very ______.(令人困惑的)(根据汉语提示单词拼写)

10 . No biographer has been able to explain these _________ (puzzle) words. (所给词的适当形式填空)