【点拨】由"最终得到一份全职工作"可以推测，玛丽以前是"临时（temporary）"秘书。pessimistic悲观的；previous以前的；cautious谨慎的。

4. symptom

【用法】symptom是名词，意为：①症状；②征兆。如：

Fever is a symptom of many illnesses.

The recent outbreaks of violence are a symptom of the dissatisfaction that is currently affecting our society.

【考例】It is important to have your eyes examined regularly to check for any sign of eye disease that may not have any _____. (湖北2012)

A. symptom B. similarity

C. sample D. shadow

【点拨】分析句子结构可知，that may not have any _____是定语从句，修饰先行词eye disease，再结合语境可以推测，该从句意为：可能没有任何"症状（symptom）"。similarity相似性；sample样本；shadow阴影，影子。

5. rebuild

【用法】rebuild是动词，意为：①重建，重组；②使复原，使恢复。如：

After the earthquake, the people set about rebuilding their homes.

After the failure, it took me a long time to rebuild my confidence.

【考例】They are living with their parents for the moment because their own house _____. (四川2012)

A. is being rebuilt B. has been rebuilt