1. confident作形容词，意为“自信的，有把握的”。
　　常构成短语be confident of/about或be confident 后接that从句，

        表示“对……有把握，对……自信”。
　　He is confident of getting the first place.
　　他确信拿第一。
　　He is quite confident that he will pass the examination.
　　他很有信心通过考试。
　　2. confidence作名词，意为“信心，信赖”，

       常用短语“have confidence in”意为“对……有信心”。
　　He lacks confidence in himself. 他缺少自信。
　　We have confidence in the mayor. 我们信任这位市长。

经典考题：

1. All of the girls were c              to beat the boys before the game started.

2. The actress walked on to the stage with great c              .

3. Lucy has studied for the  exam for several months , so now she is            that she will pass the exam .

    A. confident  B. worried  C. energetic  D. surprised

Keys:

1. confident  2. confidence  3. A