Ⅲ.拓展单词(通其变)

1．observe vt.观察；注意到；评论→observation n．观察→observer n．观察者

2．confuse vt.使糊涂，使迷惑→confused adj.困惑的→confusing adj.令人困惑的→confusedly adv.受困惑地

3．hesitate vi.犹豫，迟疑不决→hesitation n．犹豫，踌躇

4．anxious adj.焦虑，忧虑→anxiety n．焦虑；渴望→anxiously adv.焦虑地

5．grateful adj.感激的，表示感谢的→gratefully adv.感激地；感谢地→gratitude n．感激，感谢

6．recognize vt.认识，辨认出；意识到；(正式)承认→recognition n．识别；确认，认可；赏识

7．puzzle vt.迷惑，使困惑n.谜，疑问→puzzled adj.困惑的→puzzling adj.令人费解的

8．ignore vt.忽视；对......不予理会→ignorant adj.无知的，愚昧的→ignorance n．愚昧，无知

9．disability n．缺陷；伤残→disabled adj.残废的，有缺陷的→disable v．使(某人)失去能力，残疾

10．attract vt.吸引→attractive adj.有吸引力的，诱人的→attraction n．吸引，有吸引力的人或事

11．employ vt.使用；雇佣→employer n．雇佣者，雇主→employee n．受雇者，雇员，雇工→employment n．职业；雇佣，使用

12．hopeful adj.抱有希望的→hopefully adv.满怀希望地→hope n. & vt.希望→hopeless adj.没有希望的 [语境活用]

1．Hangzhou is considered to be one of the most attractive places in China and the West Lake is one of its top attractions.(attract)

2．Encouraged by his teacher, the hopeless child is very hopeful about his future. Full of hope and confidence, he'll succeed in time.(hope)

3．The young inventor was really confused by the confusing problem which also confused other people for a long time.(confuse)

4．The observer has been observing the situation of that region for a long time, so his observation is believable.(observe)

5．When in trouble, don't hesitate to ask for help and solve the problem without hesitation.(hesitate)

6．The employer decided to employ Tom as her secretary and she hoped to have a talk with her employee before he came to work.(employ)

7．He had changed so much that you couldn't recognize him. As a matter of fact, illness and age changed him beyond recognition.(recognize)

8．Owing to ignorance of traffic laws, some drivers usually ignore the speed limit.(ignore)

9．I can hardly express how grateful I feel, so I will give him a present as an expression of gratitude.(grateful)