在高中英语学习中，词汇积累是不可或缺的一部分。为了帮助同学们更好地掌握英语知识，我们整理了人教版高中英语选修七中的词汇表，并附上了教材中的例句，以便于大家更直观地理解这些词汇的实际应用。

以下是一些选修七中的重点词汇及其例句：

1. abandon [ə'bændən] v. 放弃；抛弃

- Example: He decided to abandon his plan due to financial difficulties.

2. abstract ['æbstrækt] adj. 抽象的；理论上的

- Example: The lecture focused on the abstract concepts of quantum physics.

3. accumulate [ə'kju:mjʊleɪt] v. 积累；积聚

- Example: Over time, small efforts can accumulate into significant achievements.

4. adapt [ə'dæpt] v. 适应；改编

- Example: She quickly adapted herself to the new environment after moving to a different country.

5. adequate ['ædɪkwət] adj. 足够的；适当的

- Example: The resources provided were adequate for completing the project.

6. adjacent [ə'dʒeɪsnt] adj. 邻近的；毗连的

- Example: The hotel is located adjacent to the main train station.

7. adjust [ə'dʒʌst] v. 调整；调节

- Example: It took some time for him to adjust to the new job responsibilities.

8. adventure [əd'ventʃər] n. 冒险；奇遇

- Example: His childhood was full of adventures in the countryside.

9. advocate ['ædvəkeɪt] v. 提倡；鼓吹

- Example: Many people advocate for stricter environmental regulations.

10. ambiguous [æm'bɪgjʊəs] adj. 模棱两可的；不明确的

- Example: The politician's statement was ambiguous and led to much speculation.

通过以上词汇的学习和记忆，大家可以逐步提高自己的英语水平。同时，结合教材中的例句，能够加深对词汇的理解和运用能力。希望这些内容能对大家的学习有所帮助！